If the physiological density is much larger than the arithmetic density, then a country has
A) inefficient farmers.
B) a large number of farmers.
C) a small percentage of land suitable for agriculture.
D) too many people for the available resources.
E) too few farmers for the large area of land suitable for agriculture.
Answer: C
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The length of time preserved in Grand Canyon rocks is about:a
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What type of plate boundary is associated with orogenesis?
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Mineral diversity increased after the Great Oxygenation event
a. True b. False