What has been the consequence of growing corn for use in the production of ethanol to alleviate dependence on oil?
a. The price of corn nearly tripled.
b. Americans have saved a significant amount of money due to cheaper gas.
c. The production of fuel for automobiles has become more energy efficient.
d. All of these are consequences of growing corn to produce ethanol.
a
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Which types of primates are at the most risk from predators?
A. semiterrestrial B. arboreal semibrachiators and true brachiators C. arboreal quadrupeds D. vertical clingers and leapers
All of the early flaked tools can be thought of as weapons
Indicate whether the statement is true or false
The more evolved aspects of human culture, such as science, religion, and philosophy, have no biological foundation
Indicate whether the statement is true or false
The environmental setting where an archeological trace is found is called
a. sediment. b. stratigraphy. c. geomorphology. d. context. e. artifacts.