Photosynthesis is important to animals because A oxygen, which animals breathe, is released as a byproduct. B carbon dioxide, which animals need for cellular respiration, is released as byproduct. с it prevents any of the sun's energy from being absorbed by animals skin. D it prevents carbon dioxide from destroying animals habitats.

I'm pretty sure it's B because carbon dioxide is released from plants to help animals and people breathe.

Explanation:

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.