Humans (Homo sapiens) are ____
a. monotremes
b. bipedal
c. quadrupedal
d. invertebrate
e. ectothermic
b
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Plantations established to exploit labor and resources in the periphery are geared toward
A) high value crops like indigo, sugar and cocoa. B) mixed fruits and vegetables like tomatoes and apples. C) staple crops like corn and potatoes. D) industrial crops like hemp, flax and sunflowers. E) both staple crops like corn and potatoes and high value crops like indigo, sugar, and cocoa.
Approximately how many of the earth's people are Muslim?
A) 500 million B) 1.3 billion C) 1.9 billion D) 2.4 billion E) 2.8 billion
Gasoline leaking from an underground storage tank will ________.
A. sink past the water table to mix with ground water B. evaporate entirely to the atmosphere C. infiltrate to the top of the water table, on which it will float D. sink to the bottom of the saturated zone without mixing E. remain trapped in the soils around the tank
Which describes water's latent heat of vaporization?
a. The amount of energy needed to vaporize water; however, hydrogen bonds are not broken. b. The amount of energy needed to break some of water's hydrogen bonds. c. The amount of energy needed to thaw frozen ice. d. The amount of energy needed to break all of water's hydrogen bonds. e. The amount of energy needed to freeze ice.