Natural sources of air pollution are (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves

Natural sources of air pollution are (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves
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Volcanic eruptions
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Natural sources of air pollution are – (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves

Description : Natural sources of air pollution are – (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves

Last Answer : (2) Volcanic eruptions Explanation: Some of the natural sources of air pollution are ground dust, salt spray from oceans, volcanic eruptions, hydrogen sulfides from natural sources, etc. ... and ash from volcanic eruptions blacken the skies and increase the background pollution levels for years.

Which of the following types of natural hazards have the highest potential to cause damage to humans? (A) Earth quakes (B) Forest fires (C) Volcanic eruptions (D) Droughts and Floods

Description : Which of the following types of natural hazards have the highest potential to cause damage to humans? (A) Earth quakes (B) Forest fires (C) Volcanic eruptions (D) Droughts and Floods 

Last Answer : (D) Droughts and Floods 

Which of the following is not a natural source of air pollution? (A) Volcanic eruptions and lightening discharges (B) Biological decay of vegetable matter (C) Photochemical oxidation of organic matter (D) None of these

Description : Which of the following is not a natural source of air pollution? (A) Volcanic eruptions and lightening discharges (B) Biological decay of vegetable matter (C) Photochemical oxidation of organic matter (D) None of these

Last Answer : (D) None of these

The ‘Pacific Ring of Fire’ is associated with (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Description : The ‘Pacific Ring of Fire’ is associated with (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Last Answer : volcanoes and earthquakes

Which of the following acts as a natural source of air pollution? (A) Forest fire (B) Deforestation (C) Volcanic eruption (D) None of these

Description : Which of the following acts as a natural source of air pollution? (A) Forest fire (B) Deforestation (C) Volcanic eruption (D) None of these

Last Answer : (C) Volcanic eruption

The pacific Ring of Fire is - (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Description : The pacific Ring of Fire is - (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Last Answer : (2) a volcanic belt around the Pacific Explanation: The Pacific Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. It has ... of the world's earthquakes and 81% of the world's largest earthquakes occur along the Ring of Fire.

The pacific Ring of Fire is (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Description : The pacific Ring of Fire is (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Last Answer : a volcanic belt around the Pacific

The minimum short-term natural hazard is (1) blizzard (2) earthquake (3) volcanic eruption (4) bolt of lightning

Description : The minimum short-term natural hazard is (1) blizzard (2) earthquake (3) volcanic eruption (4) bolt of lightning

Last Answer : bolt of lightning

‘Green Accounting’ means measuring the National Income of the country taking into account estimation of (1) the total forest area of the country (2) the destruction of forest cover of the country (3) pollution and environmental damage (4) area of reclaimed fallow land

Description : ‘Green Accounting’ means measuring the National Income of the country taking into account estimation of (1) the total forest area of the country (2) the destruction of forest cover of the country (3) pollution and environmental damage (4) area of reclaimed fallow land 

Last Answer : pollution and environmental damage 

What Island nation in east Asia is 75 mountainous where numerous natural hazards such as Tsunamis Earthquakes and volcanic eruptions are commonplace?

Description : What Island nation in east Asia is 75 mountainous where numerous natural hazards such as Tsunamis Earthquakes and volcanic eruptions are commonplace?

Last Answer : Indonesia

Which natural hazard has caused the greatest number of deaths in a single event? a) Earthquakes b) Floods c) Volcanic eruptions and related disasters d)hurricanes

Description : Which natural hazard has caused the greatest number of deaths in a single event? a) Earthquakes b) Floods c) Volcanic eruptions and related disasters d)hurricanes

Last Answer : a) Earthquakes

Which one of the following natural hazards is responsible for causing highest human disaster? (A) Earthquakes (B) Volcanic eruptions (C) Snow-storms (D) Tsunami

Description : Which one of the following natural hazards is responsible for causing highest human disaster? (A) Earthquakes (B) Volcanic eruptions (C) Snow-storms (D) Tsunami

Last Answer : (A) Earthquakes

Northern Californians are you dying from all the smoke from the Yosemite and Forest Hill fires?

Description : Northern Californians are you dying from all the smoke from the Yosemite and Forest Hill fires?

Last Answer : I haven’t noticed much in the Bay Area, but I’m going to be going to Sacramento tomorrow and I know that the smoke often gathers in the valley. I really hope Yosemite Valley isn’t threatened…

Tsunamis are cuased by (1) mixing of cold and warm currents (2) earthquakes (3) changes in sea level (4) volcanic eruption

Description : Tsunamis are cuased by (1) mixing of cold and warm currents (2) earthquakes (3) changes in sea level (4) volcanic eruption

Last Answer : earthquakes

Which type of lake is formed by volcanic activities ? (1) Lagoon (2) Fresh water lake (3) Cladera lake (4) Karst lake

Description : Which type of lake is formed by volcanic activities ? (1) Lagoon (2) Fresh water lake (3) Cladera lake (4) Karst lake

Last Answer : Cladera lake

Rift Valley is formed (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption

Description : Rift Valley is formed (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption

Last Answer : between two faults

The Himalayan mountain range is an example of (1) Volcanic mountain (2) Residual mountain (3) Block mountain (4) Fold mountain

Description : The Himalayan mountain range is an example of (1) Volcanic mountain (2) Residual mountain (3) Block mountain (4) Fold mountain

Last Answer :  Fold mountain

Which type of lake is formed by volcanic activities ? (1) Caldera lake (2) Karst lake (3) Lagoon (4) Fresh water lake

Description : Which type of lake is formed by volcanic activities ? (1) Caldera lake (2) Karst lake (3) Lagoon (4) Fresh water lake

Last Answer : Caldera lake

Consider the following geological phenomena : I. Development of a fault II. Movement along a fault III. Impact produced by a volcanic eruption IV. Folding of rocks Which of the above causes earthquakes ? (1) I, II and III (2) II and IV (3) I, III and IV (4) I to IV

Description : Consider the following geological phenomena : I. Development of a fault II. Movement along a fault III. Impact produced by a volcanic eruption IV. Folding of rocks Which of the above causes earthquakes ? (1) I, II and III (2) II and IV (3) I, III and IV (4) I to IV

Last Answer : I, II and III 

Most of the devastating earthquakes are usually caused by (1) Eustatic movement (2) Isostatic adjustment (3) Collision of earth plates (4) Volcanic eruption

Description : Most of the devastating earthquakes are usually caused by (1) Eustatic movement (2) Isostatic adjustment (3) Collision of earth plates (4) Volcanic eruption

Last Answer : Collision of earth plates

Smog is a combination of (1) air and water vapour (2) water and smoke (3) fire and water (4) smoke and fog

Description : Smog is a combination of (1) air and water vapour (2) water and smoke (3) fire and water (4) smoke and fog

Last Answer : smoke and fog

_______ magma causes powerful and explosive volcanic eruptions. -General Knowledge

Description : _______ magma causes powerful and explosive volcanic eruptions. -General Knowledge

Last Answer : Rhyolitic magma causes powerful and explosive volcanic eruptions.

Volcanic eruptions let out large quantities of

Description : Volcanic eruptions let out large quantities of

Last Answer : Volcanic eruptions let out large quantities of A. Harmful dust and sulfurous gases B. Harmful ... gases D. Harmful dust and phosphorous gases

Can volcanic eruptions create a delta?

Description : Can volcanic eruptions create a delta?

Last Answer : What is the answer ?

How do volcanic eruptions lead to fertile soil?

Description : How do volcanic eruptions lead to fertile soil?

Last Answer : Need answer

What causes volcanic eruptions?

Description : What causes volcanic eruptions?

Last Answer : A volcano erupts because there is mass pressure under it. In a volcano there is lava the lava has gasses that make the eruption. When there is to much it bursts the volcano. Ex. Its like a soda can. When ... or bubble in this case need to come out. So when you open it they burst out on your shirt.

What causes earthquakes? (a) Occurrence of underground water (b) Volcanic eruptions (c) Occurrence of cracks and fissures in rocks (d) No definite cause has been found so far

Description : What causes earthquakes? (a) Occurrence of underground water (b) Volcanic eruptions (c) Occurrence of cracks and fissures in rocks (d) No definite cause has been found so far

Last Answer : Ans: (b)

Which of the following is formed out of volcanic eruptions in India? (1) Deccan Plateau (2) Lakshadweep Islands (3) Western Ghats (4) Himalayas

Description : Which of the following is formed out of volcanic eruptions in India? (1) Deccan Plateau (2) Lakshadweep Islands (3) Western Ghats (4) Himalayas

Last Answer : (1) Deccan Plateau Explanation: The Deccan Plateau is made up of lava flows or igneous rocks known as the Deccan Traps. The rocks are spread over the whole of Maharashtra and parts of Gujarat and ... The Deccan traps formed between 60 and 68 mil-lion years ago at the end of the Cretaceous period.

The depletion of Ozone layer is mainly due to – (1) Volcanic eruptions (2) Aviation fuels (3) Radioactive rays (4) Chlorofluorocarbons

Description : The depletion of Ozone layer is mainly due to – (1) Volcanic eruptions (2) Aviation fuels (3) Radioactive rays (4) Chlorofluorocarbons

Last Answer : (4) Chlorofluorocarbons Explanation: Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. Chloroiluorocarbon (CFC) is ... , chlorine, and fluorine, produced as a volatile derivative of methane and ethane.

The oldest rocks in the earth's crust were once molten; and came from deep in- side the earth. The molten rock; called magma; spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called?

Description : The oldest rocks in the earth's crust were once molten; and came from deep in- side the earth. The molten rock; called magma; spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called?

Last Answer : igneous rocks

Which type of volcanic eruptions is not usually exposive?

Description : Which type of volcanic eruptions is not usually exposive?

Last Answer : Hawaiian

Tremors that have occurred in Earth's crust are known as a) Earthquakes b) Volcanic eruptions c) Bed eruptions d) Volcano

Description : Tremors that have occurred in Earth's crust are known as a) Earthquakes b) Volcanic eruptions c) Bed eruptions d) Volcano

Last Answer : a) Earthquakes

Tsunamis are waves generated by? a. Earthquakes b. Volcanic eruptions c. Underwater landslides d. All of the above

Description : Tsunamis are waves generated by? a. Earthquakes b. Volcanic eruptions c. Underwater landslides d. All of the above

Last Answer : d. All of the above

Tsunamis are waves generated by? a. Earthquakes b. Volcanic eruptions c. Underwater landslides d. All the above

Description : Tsunamis are waves generated by? a. Earthquakes b. Volcanic eruptions c. Underwater landslides d. All the above

Last Answer : d. All the above

Which of the following pollutants is not emitted during volcanic eruptions? (A) SO2 (B) H2S (C) CO (D) Hydrocarbons

Description : Which of the following pollutants is not emitted during volcanic eruptions? (A) SO2 (B) H2S (C) CO (D) Hydrocarbons

Last Answer : (D) Hydrocarbons

Volcanic eruptions affect (A) atmosphere and hydrosphere (B) hydrosphere and biosphere (C) lithosphere, biosphere and atmosphere (D) lithosphere, hydrosphere and atmosphere

Description : Volcanic eruptions affect (A) atmosphere and hydrosphere (B) hydrosphere and biosphere (C) lithosphere, biosphere and atmosphere (D) lithosphere, hydrosphere and atmosphere

Last Answer : (D) lithosphere, hydrosphere and atmosphere

1. Uranium eventually decays into a stable isotope of element? 2. Who is the author of the classic book Life Divine? 3. Who is the author of the book ‘Preparing for the Twenty first Century’? 4. Which type of volcanic eruptions is not usually exposive? 5. By whom were the triratnas were stressed?

Description : 1. Uranium eventually decays into a stable isotope of element? 2. Who is the author of the classic book Life Divine? 3. Who is the author of the book Preparing for the Twenty first ... of Seychelles located? 20. Theosophist, educationist and Indian' national leader'. To whom is this description?

Last Answer : Answer : 1. Lead 2. Aurobindo Ghosh 3. Paul Kennedy 4. Hawaiian 5. Mahavira 6. 206 7. Britain 8. 20 Hz 9. Ghana 10. Ilbari Turks 11. M1 + T.D 12. K.D. Yadav 13. A nerve 14. To avoid Aleutian Islands 15. Iltutmish 16. Bombay, Madras, Calcutta 17. Lead 18. Tennis 19. Indian Ocean 20. Annie Besant

The depletion of Ozone layer is mainly due to (1) Volcanic eruptions (2) Aviation fuels (3) Radioactive rays (4) Chlorofluorocarbons

Description : The depletion of Ozone layer is mainly due to (1) Volcanic eruptions (2) Aviation fuels (3) Radioactive rays (4) Chlorofluorocarbons

Last Answer : Chlorofluorocarbons

Which of the following is formed out of volcanic eruptions in India? (1) Deccan Plateau (2) Lakshadweep Islands (3) Western Ghats (4) Himalayas

Description : Which of the following is formed out of volcanic eruptions in India? (1) Deccan Plateau (2) Lakshadweep Islands (3) Western Ghats (4) Himalayas

Last Answer : Deccan Plateau

El Nino is (1) a warm ocean current (2) sea storm (3) tropical disturbance (4) another name of typhoon

Description : El Nino is (1) a warm ocean current (2) sea storm (3) tropical disturbance (4) another name of typhoon

Last Answer : a warm ocean current

Tropical storm in Chinese Sea is known as– (1) Wave (2) Tornado (3) Typhoon (4) Cyclone

Description : Tropical storm in Chinese Sea is known as– (1) Wave (2) Tornado (3) Typhoon (4) Cyclone

Last Answer : Typhoon

Which of the following sources is responsible for maximum air pollution? (A) Industrial chimney exhaust (B) Forest fire (C) Automobiles exhaust (D) Photochemical oxidation of organic matter

Description : Which of the following sources is responsible for maximum air pollution? (A) Industrial chimney exhaust (B) Forest fire (C) Automobiles exhaust (D) Photochemical oxidation of organic matter

Last Answer : (C) Automobiles exhaust

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 : increase in the content of carbon dioxide in the atmosphere

Airmass near to the earth’s surface is warmer because it (1) radiates heat (2) contains dust particles (3) is warmed by terrestrial radiation (4) is far from the sun

Description : Airmass near to the earth’s surface is warmer because it (1) radiates heat (2) contains dust particles (3) is warmed by terrestrial radiation (4) is far from the sun

Last Answer : is warmed by terrestrial radiation

The open "Sigrees” or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the surroundings of sigrees (3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Description : The open "Sigrees or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the ... 3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Last Answer : (1) tendency of carbon dioxide to form a layer along with dust smoke Explanation: Burning coal requires oxygen to chemically react. The availability of oxygen is limited in the furnace by several factors ... dioxide from forming layer along with dust smoke so as to keep the supply of oxygen intact.

The open "Sigrees" or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the surroundings of sigrees (3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Description : The open "Sigrees" or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the ... 3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Last Answer : tendency of carbon dioxide to form a layer along with dust smoke

'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 : Trapping of solar energy due to atmospheric carbon dioxide

The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as : (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Description : The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as : (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Last Answer : Eutrophication

The maximum biodiversity is found in (1) Tropical rain forests (2) Temperate forests (3) Coniferous forests (4) Arctic forest

Description : The maximum biodiversity is found in (1) Tropical rain forests (2) Temperate forests (3) Coniferous forests (4) Arctic forest

Last Answer : Tropical rain forests

Tropical rain forest is characterised by (1) Absence of trees (2) Least productivity (3) Maximum biodiversity (4) Minimum biodiversity

Description : Tropical rain forest is characterised by (1) Absence of trees (2) Least productivity (3) Maximum biodiversity (4) Minimum biodiversity

Last Answer : Maximum biodiversity