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

The depletion of Ozone layer is mainly due to (1) Volcanic eruptions (2) Aviation fuels (3) Radioactive rays (4) Chlorofluorocarbons
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Chlorofluorocarbons
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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 depletion in Ozone layer is caused by - (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane

Description : The depletion in Ozone layer is caused by - (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane

Last Answer : (3) Chlorofluorocarbons Explanation: Chlorofluorocarbons (CFCs), also known as Freon, cause the breakdown of the ozone layer that protects the earth from the sun's ultraviolet (UV) radiation. In the ... depletion in the upper atmosphere, CFCs have been phased out under the Montreal Protocol of 1987.

Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide

Description : Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide

Last Answer : (1) Chlorofluorocarbons Explanation: Chlorofluorocarbon contributes to ozone depletion in the upper atmosphere. It is an organic compound that contains only carbon, chlorine, and fluorine, produced as a ... methane, ethane, propane. Its manufacture has been phased out under the Montreal Protocol.

The depletion in Ozone layer is caused by ___________ . (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane

Description : The depletion in Ozone layer is caused by ___________ . (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane 

Last Answer : Chlorofluorocarbons

Depletion of ozone Layer is mainly due to

Description : Depletion of ozone Layer is mainly due to

Last Answer : Chlorofluoro carbon

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)

Description : Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)

Last Answer : (D) CFC (chloro fluoro carbon)

The depletion of ozone layer is due to - (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Description : The depletion of ozone layer is due to - (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Last Answer : (1) chloro fluoro carbon Explanation: A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, hydrogen and fluorine, produced as a volatile derivative of methane and ... R-4104 by the Montreal Protocol because they contribute to ozone depletion in the upper atmosphere.

The depletion of ozone layer is due to (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Description : The depletion of ozone layer is due to (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Last Answer : chloro fluoro carbon

Depletion of ozone is mainly due to

Description : Depletion of ozone is mainly due to

Last Answer : Depletion of ozone is mainly due to A. `CO_(2)` B. CFC C. `SO_(2)` D. `CH_(4)`.

Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Methane B. Chlorofluorocarbons C. Nitrogen oxides D. Carbon dioxide

Description : Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Methane B. Chlorofluorocarbons C. Nitrogen oxides D. Carbon dioxide

Last Answer : ANSWER: C

Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Methane B. Chlorofluorocarbons C. Nitrogen oxides D. Carbon dioxide

Description : Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Methane B. Chlorofluorocarbons C. Nitrogen oxides D. Carbon dioxide

Last Answer : ANSWER: C

Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Carbon dioxide B. Chlorofluorocarbons (Answer) C. Nitrogen oxides D. Methane

Description : Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Carbon dioxide B. Chlorofluorocarbons (Answer) C. Nitrogen oxides D. Methane

Last Answer : B. Chlorofluorocarbons (Answer)

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

Ozone depletion in the atmosphere is mainly caused by - (1) sulphur dioxide (2) nitrogen dioxide (3) hydrogen sulphide (4) chlorofluorocarbon

Description : Ozone depletion in the atmosphere is mainly caused by - (1) sulphur dioxide (2) nitrogen dioxide (3) hydrogen sulphide (4) chlorofluorocarbon

Last Answer : (4) chlorofluorocarbon Explanation: A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, hydrogen and fluorine, produced as a volatile derivative of methane and ethane. They contribute to ozone depletion in the upper atmosphere.

Ozone depletion in the atmosphere is mainly caused by (1) sulphur dioxide (2) nitrogen dioxide (3) hydrogen sulphide (4) chlorofluorocarbon

Description : Ozone depletion in the atmosphere is mainly caused by (1) sulphur dioxide (2) nitrogen dioxide (3) hydrogen sulphide (4) chlorofluorocarbon

Last Answer : chlorofluorocarbon

The depletion of ozone layer is due to:

Description : The depletion of ozone layer is due to:

Last Answer : The depletion of ozone layer is due to: A. Oxides of nitrogen B. Oxides of carbon C. Oxides of sulphur D. None of the above

Mirage is due to (a) Unequal heating of different parts of the atmosphere (b) Magnetic disturbances in the atmosphere (c) Depletion of ozone layer in the atmosphere (d) Equal heating of different parts of the atmosphere

Description : Mirage is due to (a) Unequal heating of different parts of the atmosphere (b) Magnetic disturbances in the atmosphere (c) Depletion of ozone layer in the atmosphere (d) Equal heating of different parts of the atmosphere

Last Answer : Ans:(a)

Which of the following compounds has been suggested as causing depletion of the ozone layer in the upper stratosphere? (a) CH3(b) CCl2F2(c) CF4(d) CH2Cl2

Description : Which of the following compounds has been suggested as causing depletion of the ozone layer in the upper stratosphere? (a) CH4 (b) CCl2F2 (c) CF4 (d) CH2Cl2

Last Answer : CCl2F2

Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbon (4) Sulphur dioxide

Description : Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbon (4) Sulphur dioxide

Last Answer : Chlorofluorocarbon

_______ 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

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

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)

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 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 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

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

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

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

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 

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

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

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

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

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 : Volcanic eruptions

Effect of ozone layer depletion?

Description : Effect of ozone layer depletion?

Last Answer : It causes harmful activities like skin cancer, cataracts. Mainlychildren are worst affected. It is also harmful for eyes.

Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ult

Description : Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ult

Last Answer : Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of ... true but reason is wrong D. Both are wrong

Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Description : Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Last Answer : ANS: B

The depletion of ozone layer is caused by?

Description : The depletion of ozone layer is caused by?

Last Answer : Chlorofluorocarbon (CFC)

Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide

Description : Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide

Last Answer : (C)CFC

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

Description : Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion ... rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

Last Answer : (A) CO

CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozone. (A) 10 2 (B) 10 5 (C) 10 9 (D) 10 15

Description : CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozone. (A) 10 2 (B) 10 5 (C) 10 9 (D) 10 15

Last Answer : (B) 10 5

Depletion of ozone layer in the atmosphere causes cancer of a) skin b)stomach c)blood d)lungs

Description : Depletion of ozone layer in the atmosphere causes cancer of a) skin b)stomach c)blood d)lungs

Last Answer : a) skin