The principle that states that an igneous intrusion or a fault is younger than the rocks that it intrudes or
cuts is the principle of:
a. cross-cutting relationships.
b. inclusions.
c. fossil succession.
d. uniformitarianism.
e. superposition.
A
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Your ________ system produces and stores white blood cells.
Fill in the blank(s) with the appropriate word(s).
Sedimentary rocks form
A) deep within Earth's crust. B) at Earth's surface environment. C) at elevated temperatures and low pressures. D) from magma on the surface.
On the Saffir-Simpson scale, a category 5 storm would indicate
a. a weak hurricane. b. a moderately strong hurricane. c. a very strong hurricane. d. none of these; the Saffir-Simpson scale applies to tornadoes. e. a moderate to strong hurricane.
Which of the following is not a problem with generalizing the results of LD50 to humans?
A. Differences in metabolism can lead to different reactions. B. Differences in physiology and metabolism can lead to different reactions. C. Different individuals of the same species can have different reactions. D. Smaller species generally have reactions that are more sensitive. E. Closely related species can have different reactions.