Question

Select the correct answer.
Which statement explains why greenhouse gases are needed for the survival of life on Earth?
A.
Greenhouse gases are clean sources of energy.
B.
Without greenhouse gases, Earth would be too cold for life to exist.
C.
Inhaling greenhouse gases is essential for proper lung function.
D.
Greenhouse gases prevent celestial objects from entering Earth’s atmosphere.

Answer 1

B is the appropriate answer

As without green house gases earths temperature would be -18 C

Answer 2

D) greenhouse gases prevent essintial object from entering Earth's atmosphere.