Environmentaleasy · Past Paper
What is the main function of the ozone layer?
ATo produce rain
BTo absorb UV rays
CTo provide oxygen
DTo trap CO2
✓ Correct Answer: B — To absorb UV rays
The ozone layer acts as a shield, absorbing about 97-99% of the Sun's medium-frequency ultraviolet light.
Share this question
More from Environmental
- What is 'Afforestation'?
- In a septic tank, the organic waste is decomposed by which type of bacteria?
- Which phenomenon causes the warming of the central and eastern tropical Pacific Ocean?
- Which wavelength of light is primarily trapped by greenhouse gases?
- Which gas is primarily responsible for the Greenhouse Effect?