It Is _______ in Mountains and Highlands When Compared to Lowlands

Multiple Choice

It is _______ in mountains and highlands when compared to lowlands because _______.

A) colder; there are more air molecules to absorb the infrared energy from the sun.
B) warmer; mountains are closer to the sun.
C) colder; there are fewer air molecules to absorb the infrared energy radiating from the Earth's surface.
D) about the same temperature; Earth loses heat to the atmosphere equally across elevations.