Which group did the extinction at the end of the Pleistocene most affect?
A)only marine organisms
B)terrestrial mammals weighing more than 40 Kg
C)terrestrial mammals weighing less than 40 Kg
D)marine mammals weighing more than 40 Kg
E)all mammal groups equally
B
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What will likely happen to this object in the future?
A. The material will continue outward and remain in interstellar space or become incorporated in other objects. B. It will continue to consume its hydrogen through nuclear fusion and will emit electromagnetic radiation. C. It will continue to evolve with stars going through their evolution. D. The ejected material could be disbursed, with the material remaining in close proximity to it.
The most likely and direct consequence of a reduced rate of "burial" of sediment in the rock cycle would be
A) the delayed rate of formation of rock. B) slower rates of uplift of rocks back to the surface. C) more rapid deposition of more sediment. D) increased rates of rock deformation.
What process is used to demonstrate that two rock strata are equivalent?
a. equivalency. b. interpolation. c. extrapolation. d. correlation. e. integration
At 10° north, the Sun angle will reach 90° at some time during the year
a. True b. False Indicate whether the statement is true or false