Author Question: Which of the following is the most basic definition of a greenhouse gas? A) a gas that reflects a ... (Read 37 times)

K@ · **on:** Jul 27, 2018

Which of the following is the most basic definition of a greenhouse gas?

A) a gas that reflects a lot of sunlight
B) a gas that keeps warms air from rising, and therefore warms the surface
C) a gas that absorbs infrared light
D) a gas that makes a planet much hotter than it would be otherwise, even in small amounts

Question 2

In an annular eclipse,

A) the Sun appears as a thin, bright ring.
B) the Moon appears as a thin, bright ring.
C) the Moon is totally blocked by the Earth.
D) the Sun is partially blocked by the Earth.
E) the Sun is totally blocked by the Moon.