Question
Ozone layer depletion is a major phenomenon in :
The correct answer is
Stratosphere
Stratosphere: Ozone Layer Depletion Zone
The ozone layer is a vital part of Earth's atmosphere that absorbs most of the Sun's harmful ultraviolet (UV) radiation.
This crucial layer is primarily located in the Stratosphere, which is the second layer of Earth's atmosphere, situated above the troposphere and below the mesosphere.
Ozone layer depletion refers to the thinning of this layer, mainly caused by human-made chemicals like chlorofluorocarbons (CFCs). This phenomenon is observed extensively within the stratosphere.
- The ozone layer's concentration is highest between 15 and 35 kilometers (9 to 22 miles) above Earth's surface, within the stratosphere.
- Depletion events, such as the formation of the "ozone hole," occur in this atmospheric layer.
Therefore, ozone layer depletion is a major phenomenon in the Stratosphere.
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Important Questions from Ozone Layer Depletion
- Which of the following is a catalytically inactive (or reservoir) molecule containing chlorine in stratosphere?
- Choose the correct statement(s)
A. O$_3$ in stratosphere is not completely effective in shielding us from UV-B
B. UV-A is biologically least harmful.
C. Chapman mechanism deals with only O$_3$ formation in stratosphere.
D. Sunscreen lotions either reflect or absorb or scatter UV-B and UV-A
E. UV-B helps in dissociation of O$_3$ molecule in stratosphere.
Choose the correct answer from the options given below. - With regard to ozone depletion over Antarctica, select the false statement :
- Atmospheric life times of CFCs is typically in the range :
- The Wavelengths that are most important in the context of stratospheric ozone depletion are :
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