The auroras are caused by charged particles originating from ____.
A) Earth's atmosphere
B) solar wind
C) the North Pole
D) the South Pole
Question 2Instructions: Choose one answer from each pair of selections. Would you expect a city to the EAST or WEST of the Appalachian Mountains to experience colder temperatures after a continental polar air mass has passed?
Question 3If Earth was in a cooling trend, which process would most likely act as a positive feedback mechanism?
A) increasing the snow cover around Earth
B) increasing the water vapor content of the air
C) decreasing the amount of cloud cover around the globe
D) increasing the carbon dioxide content of the air
Question 4During the summer months at the North Pole, the sun does not set for ____.
A) 2 months
B) 24 hours
C) 6 months
D) 4 months
Question 5Instructions: Choose one answer from each pair of selections. Ideal air mass source regions are usually dominated by surface HIGH LOW pressure.
Question 6During the Little Ice Age, ____.
A) the climatic optimum occurred
B) sea level was lowered by about 280 feet
C) alpine glaciers grew in size and advanced
D) continental glaciers covered large portions of North America
Question 7An object that radiates more energy than it absorbs will ____.
A) become colder
B) become warmer
C) maintain the same temperature
D) reach radiative equilibrium
Quick Reply
