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Ozone depletion refers to the phenomenon of reductions in the amount of ozone in the
- a)Troposphere
- b)Exosphere
- c)Mesosphere
- d)Stratosphere
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Ozone depletion refers to the phenomenon of reductions in the amount o...
Ozone depletion refers to the phenomenon of reductions in the amount of ozone in the:
There are four layers of the Earth's atmosphere: troposphere, stratosphere, mesosphere, and exosphere. Ozone depletion specifically occurs in the stratosphere. Here is a detailed explanation:
Troposphere:
- The troposphere is the lowest layer of the Earth's atmosphere.
- It is where weather events occur and where most of the Earth's air mass is concentrated.
- Ozone is present in this layer, but its concentration is relatively low compared to the stratosphere.
Exosphere:
- The exosphere is the outermost layer of the Earth's atmosphere.
- It is the layer where atoms and molecules escape into space.
- Ozone concentration is extremely low in this layer.
Mesosphere:
- The mesosphere is the third layer of the Earth's atmosphere, located above the stratosphere.
- It is the layer where meteors burn up upon entry.
- Ozone concentration is very low in this layer.
Stratosphere:
- The stratosphere is the second layer of the Earth's atmosphere, located above the troposphere.
- It contains a high concentration of ozone molecules, which form the ozone layer.
- Ozone in the stratosphere absorbs most of the Sun's harmful ultraviolet (UV) radiation, protecting life on Earth.
- Ozone depletion occurs when certain human-made chemicals, such as chlorofluorocarbons (CFCs), reach the stratosphere and break down ozone molecules.
- These chemicals release chlorine and bromine atoms, which then catalytically destroy ozone molecules.
Therefore, the correct answer is D: Stratosphere.
There are four layers of the Earth's atmosphere: troposphere, stratosphere, mesosphere, and exosphere. Ozone depletion specifically occurs in the stratosphere. Here is a detailed explanation:
Troposphere:
- The troposphere is the lowest layer of the Earth's atmosphere.
- It is where weather events occur and where most of the Earth's air mass is concentrated.
- Ozone is present in this layer, but its concentration is relatively low compared to the stratosphere.
Exosphere:
- The exosphere is the outermost layer of the Earth's atmosphere.
- It is the layer where atoms and molecules escape into space.
- Ozone concentration is extremely low in this layer.
Mesosphere:
- The mesosphere is the third layer of the Earth's atmosphere, located above the stratosphere.
- It is the layer where meteors burn up upon entry.
- Ozone concentration is very low in this layer.
Stratosphere:
- The stratosphere is the second layer of the Earth's atmosphere, located above the troposphere.
- It contains a high concentration of ozone molecules, which form the ozone layer.
- Ozone in the stratosphere absorbs most of the Sun's harmful ultraviolet (UV) radiation, protecting life on Earth.
- Ozone depletion occurs when certain human-made chemicals, such as chlorofluorocarbons (CFCs), reach the stratosphere and break down ozone molecules.
- These chemicals release chlorine and bromine atoms, which then catalytically destroy ozone molecules.
Therefore, the correct answer is D: Stratosphere.
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