The ozone hole is observed above ____.

The ozone hole is observed above ____.
 A) the equator
  B) Australia
  C) Antarctica
  D) Asia

Question 2

Large-scale computer models would typically have ____ grid spacing compared to small-scale models.
 A) shorter
  B) longer
  C) the same
  D) varied

Question 3

Instructions: Choose one answer from each pair of selections. The more elliptical Earth's orbit is, the GREATER  SMALLER the variation in solar energy received by Earth between its closest and farthest distance from the sun.

Question 4

Tiny solid or liquid particles of various compositions that are suspended in the atmosphere are called ____.
 A) aerosols
  B) carcinogens
  C) greenhouse gases
  D) chlorofluorocarbons

Question 5

Probability forecasts use climatological data that are typically averaged over ___ years.
 A) 2
  B) 30
  C) 10
  D) 16

Question 6

Instructions: Choose one answer from each pair of selections. Would you expect the chain reaction known as the runaway greenhouse effect to result from an unchecked POSITIVE or NEGATIVE feedback process?