Author Question: The energy source responsible for molecular motions in Earth's atmosphere is A) their own natural ... (Read 60 times)

pragya sharda · **on:** Jul 29, 2018

The energy source responsible for molecular motions in Earth's atmosphere is

A) their own natural kinetic energy.
B) pressure caused by the weight of air.
C) atmospheric tides.
D) the Sun.

Question 2

Compared to the ocean, Earth's atmosphere is different in that

A) its density varies with depth.
B) it has a less-distinct surface.
C) molecules are more greatly spaced.
D) all of the above
E) none of the above