There is a need to keep larger area under forests for – (1) absorption of carbon dioxide (2) protecting wild-life (3) raising precipitation (4) ecological balance

There is a need to keep larger area under forests for – (1) absorption of carbon dioxide (2) protecting wild-life (3) raising precipitation (4) ecological balance
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(4) ecological balance Explanation: Ecological balance has been defined by various online dictionaries as "a state of dynamic equilibrium within a community of organisms in which genetic, species and ecosystem diversity remain relatively stable, subject to gradual changes through natural succession." Afforestation is the transformation of waste-land into the forest or the woodland. It restores eco-logical balance of all ecosystems and maintains bio-logical diversity.
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There is a need to keep larger area under forests for – (1) absorption of carbon dioxide (2) protecting wildlife (3) raising precipitation (4) geological balance

Description : There is a need to keep larger area under forests for – (1) absorption of carbon dioxide (2) protecting wildlife (3) raising precipitation (4) geological balance

Last Answer : (1) absorption of carbon dioxide Explanation: Forests are considered as sinks of carbon dioxide. A carbon sink is anything that absorbs more carbon that it releases, whilst a carbon ... they are indispensable in the present global scenario marked by increasing global warming and climate change.

There is a need to keep larger area under forests for : (1) absorption of carbon dioxide (2) protecting wildlife (3) raising precipitation (4) geological balance

Description : There is a need to keep larger area under forests for : (1) absorption of carbon dioxide (2) protecting wildlife (3) raising precipitation (4) geological balance

Last Answer :  absorption of carbon dioxide

The Industrial Revolution has led to (1) Conservation of forests (2) Increased pollution (3) Conservation of wild life (4) Ecological balance

Description : The Industrial Revolution has led to (1) Conservation of forests (2) Increased pollution (3) Conservation of wild life (4) Ecological balance

Last Answer : Increased pollution

An area legally reserved for wild life in its natural surroundings is – (1) Biosphere Reserve (2) Sanctuary (3) Social Forests (4) National Park

Description : An area legally reserved for wild life in its natural surroundings is – (1) Biosphere Reserve (2) Sanctuary (3) Social Forests (4) National Park

Last Answer : (2) Sanctuary Explanation: A wildlife sanctuary is an protected area that is reserved for the conservation only of wildlife, animals and plant species. Human activities like harvesting of timber, collection of minor forest products are allowed.

The minimum fore at cover necessary to maintain ecological balance is (a) 50% of the total land area (b) 40% of the total land area (c) 33% of the total land area (d) 25% of the total land area

Description : The minimum fore at cover necessary to maintain ecological balance is (a) 50% of the total land area (b) 40% of the total land area (c) 33% of the total land area (d) 25% of the total land area

Last Answer : Ans: (c)

Man can maintain an ecological balance in the biosphere by- (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms

Description : Man can maintain an ecological balance in the biosphere by- (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms

Last Answer : (4) understanding the delicate balance in the relative number of organisms Explanation: Ecological balance is a state of dynamic equilibrium within a community of organisms in which genetic ... this balance, the delicate balance between the organisms constituting and ecosystem should be understood.

What should be the proportion of forest cover for India to maintain her ecological balance? (1) 11.1 percent (2) 22.2 percent (3) 33.3 percent (4) 44.4 percent

Description : What should be the proportion of forest cover for India to maintain her ecological balance? (1) 11.1 percent (2) 22.2 percent (3) 33.3 percent (4) 44.4 percent

Last Answer : (3) 33.3 percent Explanation: The minimum area of forests to maintain a good ecological balance has been regarded to be 33%. India lags on this front. The Green India campaign has been ... the Prime Minister for the afforestation of 6 million hectares. The current area under forests is 23%.

The Indian Wild Ass (Ghor-Khur) is found in: (a) Sunderbans (b) Assam forests (c) the Rann of Kachch (d) Cauvery delta

Description : The Indian Wild Ass (Ghor-Khur) is found in: (a) Sunderbans (b) Assam forests (c) the Rann of Kachch (d) Cauvery delta

Last Answer : Ans: (c)

What should be the area under forest cover to maintain ecological balance? -Geography

Description : What should be the area under forest cover to maintain ecological balance? -Geography

Last Answer : Ecological balance refers to the balance of ecosystems which is maintained by the abundance of forest cover,vegetation, wetlands, rivers and streams and the harmony between the living organisms ... the natural balance. The percentage of forest cover which maintains ecological balance is 33%.

Would raising the driving age have significant ecological benefits?

Description : Would raising the driving age have significant ecological benefits?

Last Answer : Some of them might take public transportation and some of them would have someone else drive them.

It is not advisable to sleep under a tree at night because of the (a) Release of oxygen in lesser amount (b) Release of oxygen in larger amount (c) Release of carbon monoxide (d) Release of carbon dioxide

Description : It is not advisable to sleep under a tree at night because of the (a) Release of oxygen in lesser amount (b) Release of oxygen in larger amount (c) Release of carbon monoxide (d) Release of carbon dioxide

Last Answer : Ans:(d)

In India the State with the largest area under very dense forests is [UP PCS 2011] (a) Arunachal Pradesh (b) Madhya Pradesh (c) Maharashtra (d) Orissa

Description : In India the State with the largest area under very dense forests is [UP PCS 2011] (a) Arunachal Pradesh (b) Madhya Pradesh (c) Maharashtra (d) Orissa

Last Answer : Ans: (a)

Which State has the lowest area under forests? (1) Gujarat (2) Uttar Pradesh (3) Andhra Pradesh (4) Haryana

Description : Which State has the lowest area under forests? (1) Gujarat (2) Uttar Pradesh (3) Andhra Pradesh (4) Haryana

Last Answer : (4) Haryana Explanation: The total geographical area of India is 32,87,469 sq km, of which about 6,75,500 sq km-equal to 22.50 per cent-is under forests. According to the National Forest Policy ... under forest holds the first rank, followed by Mizoram at 81 per cent and Nagaland at 80.50 per cent.

Which one of the following is not a matter a global concern in the removal of tropical forests ? (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer. (B) Their role in maintaining the oxygen and carbon balance of the earth. (C) Their ability to regulate surface and air temperatures, moisture content and reflectivity. (D) Their contribution to the biological diversity of the planet.

Description : Which one of the following is not a matter a global concern in the removal of tropical forests ? (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer ... , moisture content and reflectivity. (D) Their contribution to the biological diversity of the planet.

Last Answer : (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer.

Raising of forests of public or community land

Description : Raising of forests of public or community land

Last Answer : Ans. Community forestry

Practice of forestry with the object of raising flowering trees and shrubs mainly to serve as recreation forests for the urban and rural population, is known as? [a] Recreation forestry [b] Extension forestry [c] Farm forestry [d] Mixed forestry [e] All of these

Description : Practice of forestry with the object of raising flowering trees and shrubs mainly to serve as recreation forests for the urban and rural population, is known as? [a] Recreation forestry [b] Extension forestry [c] Farm forestry [d] Mixed forestry [e] All of these

Last Answer : [a] Recreation forestry

The presence of a lion in the forest is essential in order to – (1) keep the trees safe from felling (2) add beauty in the forests (3) save the pastures from being overgrazed (4) keep other carnivorous animals away

Description : The presence of a lion in the forest is essential in order to – (1) keep the trees safe from felling (2) add beauty in the forests (3) save the pastures from being overgrazed (4) keep other carnivorous animals away

Last Answer : (3) save the pastures from being overgrazed Explanation: Lions provide important ecological and cultural functions. As an apex and keystone predator, lions help to regulate prey populations; they also will ... in human culture and lion play a key role in save the pastures from being overgrazed.

The area reserved for the welfare of wild life Is called – (1) Sanctuary (2) Forest (3) National Park (4) Botanical garden

Description : The area reserved for the welfare of wild life Is called – (1) Sanctuary (2) Forest (3) National Park (4) Botanical garden

Last Answer : (3) National Park Explanation: A National Park is an area which is strictly reserved for the welfare of wildlife and where activities such as forestry, grazing or cultivation are not allowed. Private ownership, ... an area of 40,500 km2, which is 1.23% of the geographical area of the country.

In the 86th amendment to the Constitution in 2002, which of the following was added as a fundamental duty of every citizen of India? a) A parent or guardian to provide opportunities for education to his child or, as the case may be, ward between the age of six and fourteen years b) To value and preserve the rich heritage of our composite culture c) To promote harmony and the spirit of common brotherhood amongst all people of India transcending religious, linguistic and regional or sectional diversities, to renounce practices derogatory to the dignity of women d) To protect and improve the natural environment including forests, rivers and wild life, and to have compassion for living creatures

Description : In the 86th amendment to the Constitution in 2002, which of the following was added as a fundamental duty of every citizen of India? a) A parent or guardian to provide opportunities for ... the natural environment including forests, rivers and wild life, and to have compassion for living creatures

Last Answer : a) A parent or guardian to provide opportunities for education to his child or, as the case may be, ward between the age of six and fourteen years

Oxygen comes from the environment and carbon dioxide in the end returns to the environment. How do small animals solve the problem of taking away and bringing these molecules from/to their cells? Why isn't that solution possible for larger animals?

Description : Oxygen comes from the environment and carbon dioxide in the end returns to the environment. How do small animals solve the problem of taking away and bringing these molecules from/to their cells? Why isn't that solution possible for larger animals?

Last Answer : Small animals whose tissues make direct contact or are very close to the environment, like cnidarians and poriferans, make gas exchange by diffusion. Larger animals with cells without direct ... the circulatory systems play this role. Breathing Process Review - Image Diversity: respiratory system

Which of the following is most important for absorption of heat radiated from the Sun as well as from the Earth? (1) Carbon dioxide (2) Oxygen (3) Carbon monoxide (4) Nitrogen

Description : Which of the following is most important for absorption of heat radiated from the Sun as well as from the Earth? (1) Carbon dioxide (2) Oxygen (3) Carbon monoxide (4) Nitrogen

Last Answer : (1) Carbon dioxide Explanation: Carbon dioxide is a green house gas that absorbs heat radiated from the Sun as well as re-radiated heat from the Earth's surface.

Absorption with chemical reaction' is involved in the removal of (A) Carbon dioxide from gaseous stream using alkaline solution (B) Benzol from coke oven gas using solar oil/wash oil (C) Ammonia from coke oven gas using refrigerated water (D) Tar from coke oven gas in primary gas coolers using chilled water

Description : Absorption with chemical reaction' is involved in the removal of (A) Carbon dioxide from gaseous stream using alkaline solution (B) Benzol from coke oven gas using solar oil/wash oil (C) Ammonia ... gas using refrigerated water (D) Tar from coke oven gas in primary gas coolers using chilled water

Last Answer : (A) Carbon dioxide from gaseous stream using alkaline solution

During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the (A) Gas film (B) Liquid film (C) Liquid-gas interface

Description : During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the (A) Gas film (B) Liquid film (C) Liquid-gas interface

Last Answer : (B) Liquid film

An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is: (A) 9.21 (B) 4.605 (C) 100 (D) 0.001

Description : An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is: (A) 9.21 (B) 4.605 (C) 100 (D) 0.001

Last Answer : (B) 4.605

Dough kept overnight in warm weather becomes soft and spongy because of (a) absorption of carbon dioxide from atmosphere (b) fermentation (c) cohesion (d) osmosis.

Description : Dough kept overnight in warm weather becomes soft and spongy because of (a) absorption of carbon dioxide from atmosphere (b) fermentation (c) cohesion (d) osmosis.

Last Answer : (b) fermentation

Explain the concept of absorption for the manufacturing of carbon dioxide.

Description : Explain the concept of absorption for the manufacturing of carbon dioxide. 

Last Answer : Concept of absorption for manufacturing of CO2 by flue gas  Absorption is unit operation used to separate gas from gas mixture. An absorbent is used in which gas in absorbed. Combustion gases are ... CO2 is condensed cooled in precooler and sent to liquid CO2 receiver for liquefaction.   

The approximate representation of land use classification in India is [IAS 2010] (a) net area sown 25%; forests 33%; other areas 42% (b) net area sown 58%; forests 17%; other areas 25% (c) net area sown 43%; forests 29%; other areas 28% (d) net area sown 47%; forests 23%; other areas 30%

Description : The approximate representation of land use classification in India is [IAS 2010] (a) net area sown 25%; forests 33%; other areas 42% (b) net area sown 58%; forests 17%; other areas 25% (c) net area sown 43%; forests 29%; other areas 28% (d) net area sown 47%; forests 23%; other areas 30%

Last Answer : Ans: (d)

Vergreen type Forests are found in – (1) Mediterranean region (2) Monsoon climatic area (3) Desert region (4) Equatorial region

Description : Vergreen type Forests are found in – (1) Mediterranean region (2) Monsoon climatic area (3) Desert region (4) Equatorial region

Last Answer : (4) Equatorial region Explanation: An evergreen forest is a forest consisting entirely or mainly of evergreen trees that retain green foliage all year round. Such forests reign in ... primarily as broadleaf evergreens, and in temperate and boreal latitudes primarily as coniferous evergreens.

In terms of area, which one of the following Indian States has the largest coverage of forests? (1) Arunachal Pradesh (2) Chhattisgarh (3) Madhya Pradesh (4) Orissa

Description : In terms of area, which one of the following Indian States has the largest coverage of forests? (1) Arunachal Pradesh (2) Chhattisgarh (3) Madhya Pradesh (4) Orissa

Last Answer : (3) Madhya Pradesh Explanation: The forest cover includes all lands which have a tree canopy density of more than ten percent when projected vertically on the horizontal ground, with a minimum areal extent ... area in the state constitutes about 12.44 per cent of the total forest area of India.

How does afforestation help in maintaining ecological balance? -SST 10th

Description : How does afforestation help in maintaining ecological balance? -SST 10th

Last Answer : We human along with all living organisms form a complex web of ecological system in which we are only a part and very much dependent on this system for our own existence. For example, the ... in the ecological system as these are also the primary producers on which all other living beings depend.

What is the minimum forest cover to maintain ecological balance?

Description : What is the minimum forest cover to maintain ecological balance?

Last Answer : 33%

Man can maintain an ecological balance in the biosphere by (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms

Description : Man can maintain an ecological balance in the biosphere by (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms

Last Answer : understanding the delicate balance in the relative number of organisms

Which one of the following regions of India is now regarded as an 'ecological hot spot'? (a) Western Himalayas (b) Eastern Himalayas (c) Western Ghats (d) Eastern Ghats

Description : Which one of the following regions of India is now regarded as an 'ecological hot spot'? (a) Western Himalayas (b) Eastern Himalayas (c) Western Ghats (d) Eastern Ghats

Last Answer : Ans: (c)

Which one of the following statements on biosphere reserves is not correct? [CDS 2010] (a) In 1973, UNESCO launched a worldwide programme on man and biosphere (b) Biosphere reserves promote research on ecological conservation (c) Nanda Devi Biosphere Reserve is located in Madhya Pradesh (d) Biosphere reserves are multipurpose protected areas to preserve the genetic diversity in ecosystems

Description : Which one of the following statements on biosphere reserves is not correct? [CDS 2010] (a) In 1973, UNESCO launched a worldwide programme on man and biosphere (b) Biosphere reserves ... Pradesh (d) Biosphere reserves are multipurpose protected areas to preserve the genetic diversity in ecosystems

Last Answer : Ans: (c)

Deforestation results in : 1. flora destruction 2. fauna destruction 3. ecological disbalance (a) 2 and 3 (b) 1, 2 and 3 (c) 1 only (d) 1 and 3

Description : Deforestation results in : 1. flora destruction 2. fauna destruction 3. ecological disbalance (a) 2 and 3 (b) 1, 2 and 3 (c) 1 only (d) 1 and 3

Last Answer : Ans: (b)

An ecological system is a – (1) Biological system (2) Biogeochemical system (3) Physicochemical system (4) Bioecological system

Description : An ecological system is a – (1) Biological system (2) Biogeochemical system (3) Physicochemical system (4) Bioecological system

Last Answer : (1) Biological system Explanation: An ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their environment (things like ... environments and are influenced by similar dynamic ecological processes, such as fire or flooding.

Which of the following is called the "ecological hot spot of India"? (1) Western Ghats (2) Eastern Ghats (3) Western Himalayas (4) Eastern Himalayas

Description : Which of the following is called the "ecological hot spot of India"? (1) Western Ghats (2) Eastern Ghats (3) Western Himalayas (4) Eastern Himalayas

Last Answer : (1) Western Ghats Explanation: A biodiversity hotspot is a region with a significant reservoir of biodiversity that is under threat from humans. More like rolling hills than snow-covered mountains, the Western ... and animal species; many of which are only found here and nowhere else in the world.

Cherapunji receives more rainfall than Shillong because: (a) the former is nearer to the sea (b) the air of different densities and temperature tends to converge towards Cherapunjl from different direction during the rainy season (c) Cherapunji is located on the windward side (d) convective precipitation brings more rain at Cherapunji

Description : Cherapunji receives more rainfall than Shillong because: (a) the former is nearer to the sea (b) the air of different densities and temperature tends to converge towards Cherapunjl from ... Cherapunji is located on the windward side (d) convective precipitation brings more rain at Cherapunji

Last Answer : Ans: (b)

Precipitation in the form of a mixture of rain and snow is called – (1) Drizzle (2) Hail (3) Sleet (4) Snow

Description : Precipitation in the form of a mixture of rain and snow is called – (1) Drizzle (2) Hail (3) Sleet (4) Snow

Last Answer : (3) Sleet Explanation: Sleet is precipitation composed of rain and partially melted snow. It forms when rain, while falling to the earth, passes through a layer of cold air and freezes. Sleet occurs when ... in the lowest part of the atmosphere is slightly above the freezing point of water (0 °C).

The main source of usable water on the Earth is – (1) Oceans (2) Rivers (3) Underground water (4) Precipitation

Description : The main source of usable water on the Earth is – (1) Oceans (2) Rivers (3) Underground water (4) Precipitation

Last Answer : (3) Underground water Explanation: Even though most of the Earth's surface is water, only 1% of it is fresh usable water. Ninety-seven percent of the Earth's water is saltwater, which contains too many ... cent of water, followed by Freshwater Lakes: 0.009 per cent; and rivers: 0.0001 per cent.

Which of the following subjects does not figure in the Concurrent List of our Constitution? (1) Stock Exchanges and futures markets (2) Protection of wild animals and birds (3) Forests (4) Trade unions

Description : Which of the following subjects does not figure in the Concurrent List of our Constitution? (1) Stock Exchanges and futures markets (2) Protection of wild animals and birds (3) Forests (4) Trade unions

Last Answer : (1) Stock Exchanges and futures markets Explanation: The Concurrent List or List-Ill is a list of 47 items given in Part XI of the Constitution of India, concerned with relations between the Union and States. Stock exchanges and futures markets come under the Union List.

Which of the following is a correct description of ‘tissue culture’? (1) Conservation of forests and plantation (2) Growth and propagation of horticultural crops (3) Science of cultivating animal tissue in artificial medium (4) Protection of wild animals

Description : Which of the following is a correct description of ‘tissue culture’? (1) Conservation of forests and plantation (2) Growth and propagation of horticultural crops (3) Science of cultivating animal tissue in artificial medium (4) Protection of wild animals 

Last Answer : Science of cultivating animal tissue in artificial medium

Which of the following subjects does not figure in the Concurrent List of our Constitution ? (1) Stock Exchanges and futures markets (2) Protection of wild animals and birds (3) Forests (4) Trade unions

Description : Which of the following subjects does not figure in the Concurrent List of our Constitution ? (1) Stock Exchanges and futures markets (2) Protection of wild animals and birds (3) Forests (4) Trade unions

Last Answer : Stock Exchanges and futures markets

Urea is prepared by the chemical reactions of (a) Ammonium sulphate and calcium chloride (b) Ammonia and carbon dioxide (c) Chlorine and water (d) Acetamide and ethyl alcohol

Description : Urea is prepared by the chemical reactions of (a) Ammonium sulphate and calcium chloride (b) Ammonia and carbon dioxide (c) Chlorine and water (d) Acetamide and ethyl alcohol

Last Answer : Ans: (b)

Main constituents of biogas are (a) Methane and carbon monoxide (b) Butane and carbon monoxide (c) Methane and carbon dioxide (d) Ethylene and carbon dioxide

Description : Main constituents of biogas are (a) Methane and carbon monoxide (b) Butane and carbon monoxide (c) Methane and carbon dioxide (d) Ethylene and carbon dioxide

Last Answer : Ans: (c)

'Green House Effect' means – (1) Pollution in houses in tropical regions (2) Trapping of solar energy due to atmospheric oxygen (3) Trapping of solar energy due to atmospheric carbon dioxide (4) Cultivation in green houses so as to check pollution

Description : 'Green House Effect' means – (1) Pollution in houses in tropical regions (2) Trapping of solar energy due to atmospheric oxygen (3) Trapping of solar energy due to atmospheric carbon dioxide (4) Cultivation in green houses so as to check pollution

Last Answer : (3) Trapping of solar energy due to atmospheric carbon dioxide Explanation: The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric ... fuels and clearing of forests, have intensified the natural greenhouse effect, causing global warming.

The main cause of global climatic change is – (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover

Description : The main cause of global climatic change is – (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover

Last Answer : (1) increase in the content of carbon dioxide in the atmosphere Explanation: Our ever increasing addiction to electricity from coal burning power plants eleases enormous amounts of carbon dioxide ... sources, we are highly dependent on burning coal for our personal and commercial electrical supply.

Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays

Description : Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays

Last Answer : (1) oxygen and ultraviolet rays Explanation: Ozone in the Earth's stratosphere is created by ultraviolet light striking ordinary oxygen molecules containing two oxygen atoms (O2), splitting them into ... (atomic oxygen). The atomic oxygen then combines with unbroken O2 to create ozone (O3).

If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be – (1) dependent on the amount of oxygen in the atmosphere (2) higher than the present (3) less than the present (4) the same

Description : If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be – (1) dependent on the amount of oxygen in the atmosphere (2) higher than the present (3) less than the present (4) the same

Last Answer : (3) less than the present Explanation: If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be less than the present because carbon emission in the atmosphere is one of the major causes of global warming.

Which one of the following is a greenhouse gas? (1) Oxygen (2) Nitrogen (3) Carbon-dioxide (4) Ozone

Description : Which one of the following is a greenhouse gas? (1) Oxygen (2) Nitrogen (3) Carbon-dioxide (4) Ozone

Last Answer : (3) Carbon-dioxide Explanation: A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the ... the Earth's atmosphere- are water vapour, carbon dioxide, methane, nitrous oxide, and ozone.