The Montreal Protocol 1987 refers to – (1) saving the Bio-diversity of our planet (2) signing of an accord on the peaceful uses of atomic energy (3) signing of an accord on keeping the antarctica as a nuclear free zone (4) saving the ozone layer from destruction by reducting the use of CFCs

The Montreal Protocol 1987 refers to – (1) saving the Bio-diversity of our planet (2) signing of an accord on the peaceful uses of atomic energy (3) signing of an accord on keeping the antarctica as a nuclear free zone (4) saving the ozone layer from destruction by reducting the use of CFCs
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(4) saving the ozone layer from destruction by reducting the use of CFCs Explanation: The Montreal Protocol on Substances that Deplete the Ozone Layer (a protocol to the Vienna Convention for the Protection of the Ozone Layer) is all international treaty designed to protect the Ozone layer by phasing out the production of numerous substances believed to be responsible for ozone depletion. The treaty was opened for signature on September 16. 1987, and entered into force on January 1, 1989, followed by a first meeting in Helsinki. May 1989.
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The Montreal Protocol 1987 refers to (1) saving the Bio-diversity of our planet (2) signing of an accord on the peaceful uses of atmoic energy (3) signing of an accord on keeping the antarctica as a nuclear free zone (4) saving the ozone layer from destruction by reducting the use of CFCs

Description : The Montreal Protocol 1987 refers to (1) saving the Bio-diversity of our planet (2) signing of an accord on the peaceful uses of atmoic energy (3) signing of an accord on keeping the antarctica as a nuclear free zone (4) saving the ozone layer from destruction by reducting the use of CFCs

Last Answer :  saving the ozone layer from destruction by reducting the use of CFCs

As a result of which treaty, ozone hole in Antarctica is slowly healing? A. Koyoto protocol B. Ottawa treaty C. Montreal protocol (Answer) D. Oslo Accord

Description : As a result of which treaty, ozone hole in Antarctica is slowly healing? A. Koyoto protocol B. Ottawa treaty C. Montreal protocol (Answer) D. Oslo Accord

Last Answer : C. Montreal protocol (Answer)

Montreal Protocol 1987 was-----? A. Treaty among nations to reduce nuclear arsenals B. Climate control treaty C. Treaty to protect ozone layer (Answer) D. Trade policy about tarrifs

Description : Montreal Protocol 1987 was-----? A. Treaty among nations to reduce nuclear arsenals B. Climate control treaty C. Treaty to protect ozone layer (Answer) D. Trade policy about tarrifs

Last Answer : C. Treaty to protect ozone layer (Answer)

Number of ozone depleters identified by Montreal Protocol (1987) was

Description : Number of ozone depleters identified by Montreal Protocol (1987) was

Last Answer : Number of ozone depleters identified by Montreal Protocol (1987) was A. 72 B. 18 C. 96 D. 40

Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:

Description : Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:

Last Answer : Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in ... . 1985 B. 1986 C. 1987 D. 1988

Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:

Description : Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:

Last Answer : Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in ... . 1988 B. 1985 C. 1986 D. 1987

The class of compounds implicated in the Antarctic ozone destruction is: w) RBC's x) DDT's y) CFC's z) PCB's

Description : The class of compounds implicated in the Antarctic ozone destruction is: w) RBC's x) DDT's y) CFC's z) PCB's

Last Answer : ANSWER: Y -- CFC'S

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.

9. Montreal protocol aims at a) biodiversity conservation b) reduction of ozone depleting substances c) control of water pollution d) control of carbondioxide emission

Description : 9. Montreal protocol aims at a) biodiversity conservation b) reduction of ozone depleting substances c) control of water pollution d) control of carbondioxide emission

Last Answer : a) biodiversity conservation

Why would it take years for the ozone layer to recover even though the use of CFCs has declined significantly?

Description : Why would it take years for the ozone layer to recover even though the use of CFCs has declined significantly?

Last Answer : It is considered that burning fossil fuels is allowing carbon dioxide gas (CO2) to build up in the ozone layer, and is the main cause of global warming.

The Earth Summit held in Rio de Janeiro in 1992 was called (a) for immediate steps to discontinue use of CFCs that were damaging the ozone layer (b) to reduce CO2 emissions and global warming (c) for conservation of biodiversity and sustainable utilisation of its benefits (d) to assess threat posed to native species by invasive weed species.

Description : The Earth Summit held in Rio de Janeiro in 1992 was called (a) for immediate steps to discontinue use of CFCs that were damaging the ozone layer (b) to reduce CO2 emissions and global ... utilisation of its benefits (d) to assess threat posed to native species by invasive weed species.

Last Answer : (c) for conservation of biodiversity and sustainable utilisation of its benefits

What are CFC’s? How do they damage ozone layer?

Description : What are CFC’s? How do they damage ozone layer?

Last Answer : CFC stands for chloro-fluoro carbons. It is a product of industrial processes involved in the manufacturing of insulating foams, solvents, cooling equipments like refrigerators, air conditioners. It ... CFC in the stratosphere into chlorine atoms. Chlorine reacts with ozone and breaks into oxygen

Which element in chlorofluorocarbons (CFCs) is responsible for destroying the Earth's ozone layer? w) oxygen x) fluorine y) chlorine z) bromine

Description : Which element in chlorofluorocarbons (CFCs) is responsible for destroying the Earth's ozone layer? w) oxygen x) fluorine y) chlorine z) bromine

Last Answer : ANSWER: Y -- CHLORINE

The Montreal Protocol refers to:

Description : The Montreal Protocol refers to:

Last Answer : The Montreal Protocol refers to: A. Substances that deplete ozone layer B. Persistent ... change D. Biosafety of genetically modified organisms

The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason -for this phenomenon? [CSAT 2011] (a) It has a high rainfall that supports luxuriant vegetative growth (b) It is a confluence of different bio-geographical zones (c) Exotic and invasive species have not been introduced in this region (d) It has less human interference

Description : The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason -for this phenomenon? [CSAT 2011] (a) It has a high rainfall that supports ... Exotic and invasive species have not been introduced in this region (d) It has less human interference

Last Answer : Ans: (b)

Which one among the following types of forests exhibits highest bio-diversity ? [Asstt Comm 2001] (a) Dry deciduous forest (b) Tropical rain forest (c) Moist deciduous forest (d) Mangrove forest

Description : Which one among the following types of forests exhibits highest bio-diversity ? [Asstt Comm 2001] (a) Dry deciduous forest (b) Tropical rain forest (c) Moist deciduous forest (d) Mangrove forest

Last Answer : Ans: (b)

The massive hole in the ozone layer over the Antarctica was first discovered in which year? -Do You Know?

Description : The massive hole in the ozone layer over the Antarctica was first discovered in which year? -Do You Know?

Last Answer : answer:

The massive hole in the ozone layer over the Antarctica was first discovered in which year?

Description : The massive hole in the ozone layer over the Antarctica was first discovered in which year?

Last Answer : 1985

How has human activity led to the destruction of the ozone layer?

Description : How has human activity led to the destruction of the ozone layer?

Last Answer : The release of cfcs from fridges n aerosol can and smoke thatcomes from industries are human that led to the distruction ofozone layer..by zintle mambi

Kyoto Protocol is related to (A) Ozone depletion (B) Hazardous waste (C) Climate change (D) Nuclear energy

Description : Kyoto Protocol is related to (A) Ozone depletion (B) Hazardous waste (C) Climate change (D) Nuclear energy

Last Answer : (C) Climate change

Is the destruction of all humanity still possible without nuclear wars, a dead Sun and planet killing asteroids?

Description : Is the destruction of all humanity still possible without nuclear wars, a dead Sun and planet killing asteroids?

Last Answer : answer:As slight and as improbable as it is, we could just wage a world war that ends in everyone pretty much wiping each other out. Or some country goes Spanish Inquisition on everyone and as a grand ... after wiping every heretic of the face of the earth. Just takes a wee bit of imagination.

What is the Montreal Protocol?

Description : What is the Montreal Protocol?

Last Answer : The Montreal Protocol is an international treaty signed in 1987 that aims to phase out the production and consumption of ozone-depleting substances, such as chlorofluorocarbons (CFCs), and is an important concept in environmental policy and international relations.

What is the Montreal Protocol?

Description : What is the Montreal Protocol?

Last Answer : The Montreal Protocol is an international treaty signed in 1987 that aims to protect the Earth's ozone layer by phasing out the production and consumption of ozone-depleting substances, and is an important concept in atmospheric science and environmental policy.

What is the Montreal Protocol?

Description : What is the Montreal Protocol?

Last Answer : The Montreal Protocol is an international treaty signed in 1987 that aims to protect the ozone layer by phasing out the production and consumption of ozone-depleting substances, such as chlorofluorocarbons (CFCs), and is an important concept in atmospheric science and environmental policy.

Which problem does the Montreal Protocol address?

Description : Which problem does the Montreal Protocol address?

Last Answer : Ozone depletion

An international treaty known as Montreal Protocol was signed to control emission of:

Description : An international treaty known as Montreal Protocol was signed to control emission of:

Last Answer : An international treaty known as Montreal Protocol was signed to control emission of: A. UV rays B. Ozone C. CFC D. Oxygen

Montreal protocol was connected with :

Description : Montreal protocol was connected with :

Last Answer : Montreal protocol was connected with : A. Phasing out ODS B. Reduction in CFCs C. Replacing CFCs with chlorine and bromine D. All the above

Montreal protocol was signed in

Description : Montreal protocol was signed in

Last Answer : Montreal protocol was signed in A. 1978 B. 1987 C. 1991 D. 1993

Montreal protocol aims at:

Description : Montreal protocol aims at:

Last Answer : Montreal protocol aims at: A. Control of `CO_(2)` emission B. Reduction of ozone ... C. Biodiversity conservation D. Control of water pollution

Montreal Protocol was aimed to

Description : Montreal Protocol was aimed to

Last Answer : Montreal Protocol was aimed to A. Reduce greenhouse gases B. Limit the production and use of ODS C. Mitigate climatic change D. Implement Agenda 21

The first protocol to ban the emissions of choloroflurocarbons in the atmosphere was made in (1) Montreal (2) Osaka (3) Geneva (4) Florida

Description : The first protocol to ban the emissions of choloroflurocarbons in the atmosphere was made in (1) Montreal (2) Osaka (3) Geneva (4) Florida

Last Answer : (1) Montreal Explanation: The first protocol to ban the emissions of chlorof-luorocarbons in the atmosphere was signed in Montreal, Canada in 1987. Known as Montreal Protocol on Substances ... ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion.

What is the full name of the chemical family banned by the UN's Montreal Protocol?

Description : What is the full name of the chemical family banned by the UN's Montreal Protocol?

Last Answer : (CFC's - chlorofluorocarbons)

The first protocol to ban the emissions of choloroflurocarbons in the atmosphere was made in (1) Montreal (2) Osaka (3) Geneva (4) Florida

Description : The first protocol to ban the emissions of choloroflurocarbons in the atmosphere was made in (1) Montreal (2) Osaka (3) Geneva (4) Florida

Last Answer : Montreal

The zone of atmosphere in which the ozone layer is

Description : The zone of atmosphere in which the ozone layer is

Last Answer : The zone of atmosphere in which the ozone layer is A. lonosphere B. Mesosphere C. Stratosphere D. Troposphere

Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric pressure and low temperature (C) Troposphere is a dusty zone containing water vapor and clouds (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Description : Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric ... radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Last Answer : (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) Stratosphere is rich in ozone and is located just above the troposphere (C) Troposphere is a turbulent dusty zone containing much of water vapor and clouds (D) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms

Description : Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) ... ) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms

Last Answer : (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere

What is Bio-diversity? -Geography

Description : What is Bio-diversity? -Geography

Last Answer : The variety of flora (plants) and fauna (animals) in a region is known as biodiversity. Define The Following: 1. Biosphere : Biosphere is the part of the earth where life exists. 2 ... 6. Acid rain : Acid rain contains high amounts of acids particularly sulphuric acid and carbon monoxide.

What is bio-diversity? -SST 10th

Description : What is bio-diversity? -SST 10th

Last Answer : Biodiversity is immensely rich in wildlife and cultivated species, diverse in form and function but closely integrated in a system through multiple network of interdependencies. We share this ... which all are interdependent for their existence. Without bio-diversity human life cannot exist.

Which type of forest exhibits highest bio-diversity ? -General Knowledge

Description : Which type of forest exhibits highest bio-diversity ? -General Knowledge

Last Answer : The answer is 'Tropical rain forest'

Which type of forest exhibits highest bio-diversity ? -General Knowledge

Description : Which type of forest exhibits highest bio-diversity ? -General Knowledge

Last Answer : answer:

Which type of forest exhibits highest bio-diversity ? -General Knowledge

Description : Which type of forest exhibits highest bio-diversity ? -General Knowledge

Last Answer : answer:

Technological factors consist of climatic conditions, bio diversity, natural resources, etc.

Description : Technological factors consist of climatic conditions, bio diversity, natural resources, etc.

Last Answer : Correct the underlined word and complete the sentence : Technological factors consist of climatic conditions, bio diversity, natural resources, etc.

Which of the following forests is the forest with maximum bio diversity

Description : Which of the following forests is the forest with maximum bio diversity

Last Answer : Equatorial

Which type of forest exhibits highest bio-diversity

Description : Which type of forest exhibits highest bio-diversity

Last Answer : Tropical rain forest

Which of the following forests is the forest with maximum bio diversity-

Description : Which of the following forests is the forest with maximum bio diversity-

Last Answer : Equatorial

Deforestation during the recent decades has led to: (A) Soil erosion (B) Landslides (C) Loss of bio-diversity (D) All the above

Description : Deforestation during the recent decades has led to: (A) Soil erosion (B) Landslides (C) Loss of bio-diversity (D) All the above 

Last Answer : (D) All the above

Hibiscus syriacus minerva growing in Montreal Canada Zone 4 Should it be trimmed in the fall or sspring?

Description : Hibiscus syriacus minerva growing in Montreal Canada Zone 4 Should it be trimmed in the fall or sspring?

Last Answer : Need Answer

The word Biosphere refers to : (1) Zone of soil, water and air around earth capable of supporting the flora and fauna. (2) Part of earth surface which can support the flora (3) Parts of air around earth a where life can exist (4) Zone of water on earth which can support life.

Description : The word Biosphere refers to : (1) Zone of soil, water and air around earth capable of supporting the flora and fauna. (2) Part of earth surface which can support the flora (3) Parts of air around earth a where life can exist (4) Zone of water on earth which can support life.

Last Answer : (1) Zone of soil, water and air around earth capable of supporting the flora and fauna. Explanation: Biosphere refers to that portion of the Earth which is occupied by the various forms of life, in addition to the three main physical zones, the Lithosphere, the Hydrosphere and the Atmosphere.

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).

Which layer of the earth's atmosphere contains the ozone layer? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Description : Which layer of the earth's atmosphere contains the ozone layer? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Last Answer : (4) Stratosphere Explanation: The ozone layer is a region of Earth's stratosphere. It is mainly found in the lower portion of the stratosphere, from approximately 20 to 30 kilometres (12 to 19 mi) ... nm to 315 nm wavelength), which other-wise would be harmful to exposed life forms on the earth.