White light is electromagnetic radiation of a ____ wavelength(s).
A) single long
B) single short
C) mixture of all visible
D) mixture of all long
Question 2After the winter solstice at middle latitudes in the Northern Hemisphere, the length of the day ____.
A) increases
B) decreases
C) does not change
D) is 12 hours long
Question 3When caught in a thunderstorm in an open field, what action is best to take?
A) Seek shelter under the nearest tree.
B) Lie down flat on the ground.
C) Crouch down as low as possible while minimizing contact with the ground.
D) Remove all metallic objects from your pockets.
Question 4Explain how air pollution may influence the climate of a city.
Question 5Seasons on Earth are regulated by ___.
A) only the length of daylight hours
B) both the length of daylight hours and the angle sunlight strikes Earth's surface
C) only the angle sunlight strikes Earth's surface
D) only Earth's nearness to the sun
Question 6A rotating column of air that is connected to a cumuliform cloud over a large body of water is a ____.
A) tornado outbreak
B) roll cloud
C) microburst
D) waterspout
Question 7Explain how the semipermanent Pacific high off the coast of California influences the air pollution in the region.
Question 8Earth is closest to the sun in ____.
A) January
B) March
C) July
D) September
Question 9In the United States, dryline thunderstorms are most common in ____.
A) the Rocky Mountains
B) the desert southwest
C) the Great Plains
D) California
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