Which of the following is the most basic definition of a ...

[K@]

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.

[allisonblackmore]

Answer to Question 1

C

Answer to Question 2

A

[K@]

Excellent

[amandalm]

Gracias!