A physical feature, such as a body of water, might actually aid transportation and migration because ocean travel may be easier than overland travel. However, if that physical feature hinders migration, it is an example of
A) an environmental push factor.
B) a forced migration.
C) an intervening obstacle.
D) a cultural pull factor.
E) an environmental incentive.
Answer: C
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A) covalent bond B) molecular bond C) hydrogen bond D) atomic bond
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Fill in the blank(s) with correct word