- Chlorofluorocarbons
- Nitrous oxide
- Sulphur dioxide
- Carbon dioxide
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In the absence of ozone layer, which rays will enter into atmosphere?
Answer: Option 3 The ozone layer is a layer in Earth’s atmosphere containing relatively high concentrations of ozone (O3). The ozone layer absorbs 97–99% of the Sun’s medium frequency ultraviolet...
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Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ?
Answer: Option 3 Chlorofluorocarbon is responsible for the depletion of ozone layer in the atmosphere.
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Major cause of Ozone depletion is due to which chemical?
Answer: Option 1 Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in...
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_________ is the first country to have phased out the CFCs and HCFCs which are responsible for the depletion of the ozone layer.?
Answer: Option 2 Germany is the first country to have phased out the CFCs and HCFCs which are responsible for the depletion of the ozone layer.
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Ozone Umbrella is located in which layer of atmosphere?
Answer: Option 2 The ozone layer is mainly found in the lower portion of the stratosphere, from approximately 15 to 35 kilometers (9.3 to 21.7 mi) above Earth, although its...
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Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?
Answer: Option 4 Fluorine has the maximum ozone depletion potential in the stratosphere
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Under the depletion allowance method in computing depreciation, the depletion charge is equal to either ______ whichever is smaller.?
Answer: Option 2 Let'
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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?
Answer: Option 1 Let'
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Which of the following is/are correct in matching the layer of atmosphere and its characteristic I. Troposphere : weather phenomena II. Stratosphere : ozone layer III. Ionosphere : radio waves reflected to earth's surface IV. Mesosphere : Aurorae?
Answer: Option 4 The following that are correct in matching the layer of atmosphere and its characteristic are Troposphere : weather phenomena, Stratosphere : ozone layer and Ionosphere : radio...
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Which of the following are true regarding ionosphere I. It is the uppermost layer of atmosphere II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized III. This layer is responsible for reflecting back the radio wave transmitted from the earth?
Answer: Option 3 The following that are true regarding ionosphere are The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become...
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