Author Question: If Earth had no atmosphere, its temperature would be A) somewhat warmer than the freezing ... (Read 105 times)

Starlight · **on:** Jul 27, 2018

If Earth had no atmosphere, its temperature would be

A) somewhat warmer than the freezing temperature of water.
B) somewhat below the freezing temperature of water.
C) extremely hot, about 50 degrees Celsius.
D) well below freezing, about -50 degrees Celsius.
E) about the same temperature it is now.

Question 2

By what process do nuclear power plants on the Earth generate energy?

A) converting gravitational potential energy into electricity
B) nuclear fission
C) converting kinetic energy into electricity
D) chemical reactions
E) nuclear fusion