Which of the following is the best indicator that a volcano might be very dangerous?
A. ages that indicate the volcano last erupted 10 million years ago
B. gentle slopes that signify fast-flowing lavas
C. a volcano that contains andesite and welded tuffs
D. rock analyses that indicate a low content of silica
Answer: C
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Air moving in the direction indicated in the diagram will become dryer as it moves from
A. D to A B. B to D C. A to B D. C to A E. None of these is correct
If you could drill from the outer surface of Earth all the way to the center, you would pass first through the crust, then through the ____________________, and finally through the _____________________
Fill in the blank(s) with correct word
Coastal Northern California
A) has hot summers. B) has a large annual temperature range. C) is sunny nearly year-round. D) is cooled by the cold California Current. E) has a subtropical climate.
Most Latin American countries are in the second or early third stages of the demographic transition. What does this imply about their birth and death rates? a. Birth and death rates are low
b. Birth and death rates are high. c. Birth rates are high but declining, and death rates are low. d. Birth rates are low but increasing, and death rates are low. e. Birth rates are high, and death rates are high but decreasing.