Earthʹs Ozone Layer Is Extremely Important Because It

question 110

Multiple Choice

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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