2017 · Q95
Presence of ozone in the atmosphere is important because it absorbs
general-sciencebiotech-environment-science
- Aultraviolet-A radiations
- Bultraviolet-B radiations only
- Cinfrared-B radiations only
- Doutgoing ultraviolet-B radiations and incoming ultraviolet-A radiations
Explanation
The ozone layer’s key protective role is absorbing harmful ultraviolet-B radiation before it reaches the surface. It does not primarily absorb UV-A, infrared-B or outgoing ultraviolet radiation. Hence (B).