When did the domestication of plants occur?
A) 15,000 years ago
B) 12,000 years ago
C) 8,000 years ago
D) 6,000 years ago
E) none of the above
above
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If all the molecules of a body remained part of that body, would the body have any odor?
A) Yes, but only if that body is sweating. B) No, because there would be no molecules traveling to our nose. C) Yes, because it would still release photons. D) No, because it would no longer be what it was.
Metal fabrication plants are an example of a bulk-gaining industry because
A) the mills are near the mines. B) separate parts are combined to make more complex and massive products. C) refineries import most material from other countries. D) parts suppliers package shipments in bulk containers for processing in the plants. E) parts suppliers supply components with just-in-time management.
If a country is experiencing a negative net migration rate, then
A) more people are leaving the country than moving to it. B) more people are moving to the country than leaving it. C) a negative net migration rate does not tell us anything. D) more people are dying in the country than are being born. E) the number of people leaving the country is equal to the number moving there.
According to researchers, the greatest threat to wild species is ____.
A. habitat destruction B. invasive species C. population and resource use growth D. pollution E. climate change