Earthʹs Ozone Layer Is Extremely Important Because It

Earthʹs ozone layer is extremely important because it

A) traps heat so that Earthʹs temperature does not fall too much.
B) blocks incoming UV radiation, which is damaging to animals and reduces photosynthesis in plants and algae.
C) maintains high carbon dioxide concentrations so that photosynthesis can occur.
D) blocks incoming visible light to protect Earth against the greenhouse effect.
E) traps harmful infrared rays.

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