Question

4) The Earth's atmosphere supports the biosphere by providing

A. Protection from all of the sun's electromagnetic radiation
B. Gases that reflect energy back to the Earth
C. Energy that powers the ocean's tides
D. Matter cycling that moves materials between the atmospheric layers

Answer 1

A because the several layers in Earths atmosphere protects the Earth from the harmful rays of the sun.

Answer 2

A. Protection from all of the suns electromagnetic radiation.