Which of the following is an example of numerical time?
A. The Silurian period occurred before the Devonian Period.
B. The Silurian period began approximately 438 million years ago.
Answer: B
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Most mountain ranges are the result of ________ stress
A) Compressional B) Tensional C) Shear
If the females of a songbird species prefer to mate with more brightly colored males, and you know this trait is heritable, you would expect
A. sexual selection to occur. B. males to evolve to become more brightly colored. C. brightly colored males to survive better in the population. D. both A and B
Friction of distance
A) is usually negligible over distances of less than ten miles. B) is dependent in part upon an individual's cognitive distance. C) is now considered an outdated concept with little current utility. D) is another term for the distance-decay function. E) is the reflection of only cost overcoming distance.
The atmosphere is a mixture of:
A) precipitation and air. B) particulate matter and water. C) gas molecules, small particulates, and moisture. D) moisture and gas molecules only.