It appears that, as the number of sunspots increases, the sun's total energy output ____.
A) increases slightly
B) decreases slightly
C) begins to alternately increase and decrease above average values
D) does not change
Question 2The formation of ice releases heat and warms the surroundings.
Indicate whether the statement is true or false
Question 3Air masses are large bodies of air whose properties of ____________________ and ____________________ are fairly similar in any horizontal direction at any given altitude.
Fill in the blank(s) with correct word
Question 4The Milankovitch cycles in association with other natural factors explain how glaciers may advance and retreat over periods of ____ years.
A) hundreds of millions of
B) several million
C) hundreds of thousands of
D) ten thousand to one hundred thousand
Question 5For maximum winter warmth in the Northern Hemisphere, large windows in a house should face ____.
A) north
B) south
C) east
D) west
Question 6Instructions: Choose one answer from each pair of selections. The process of FILLING DEEPENING describes a weakening storm system with increasing surface pressure.
Question 7When all of the Milankovitch cycles are taken into account, the current trend should be toward ____ in the Northern Hemisphere.
A) warmer summers over high latitudes
B) cooler summers over low latitudes
C) warmer summers over low latitudes
D) cooler summers over high latitudes