Which of the following is not considered one of the global crop hearths?
A) East Asia
B) Sub-Saharan Africa
C) Southwest Asia
D) Southeast Asia
E) Central North America
Answer: E
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This volcano is broad and low, and is composed of basaltic lava flows. What kind of volcano is it?
A) Cinder cone
B) Shield volcano
C) Composite volcano
D) Volcanic dome
E) Caldera
Groundwater is
A. water in the vadose zone. B. all subsurface water. C. water in the saturated zone. D. soil moisture.
Which of the following may not be a good choice when eating sustainably?
A) choosing natural foods B) choosing local foods C) choosing vegetarian foods D) choosing organic foods E) choosing seasonal foods
The Sun and the rest of the solar system formed about 5 billion years ago from a huge cloud of dust and gas called a ________
A) nebula B) solar system C) protoplanet D) quasar E) supernova