About how many bison were living on the Great Plains before Euro-Americans began hunting them?
A) 80,000
B) 800,000
C) 8,000,000
D) 80,000,000
D
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An iron ball and a wooden ball of the same size are dropped from a tall tower. Taking air resistance into account, the ball to hit the ground first will be the
A. iron ball. B. wooden ball. C. Both hit at the same time. D. not enough information
What will make people change their way of using energy and perhaps viewing the world?
A) They need to see a maximum to their material gains and the distribution of the costs. B) There need to be laws that direct the behaviors of the people. C) There needs to be more science conducted and presented to the masses. D) None of these choices.
Species with a capacity for a high rate of population growth are called ____.
A. o-selected species B. p-selected species C. K-selected species D. j-selected species E. r-selected species
Which of the following describes the events of the Acadian Orogeny?
A) Closing of the marginal sea caused a volcanic arc to be thrust over the continent B) North America collided with a microcontinent as the marginal sea continued to close C) The sea along North America closed completely as Africa collided with North America D) The rifting of Pangaea opened the modern Atlantic Ocean