Marine biological invaders arrive ________.
A. with commercially harvested shellfish
B. attached to seaplanes and small boats
C. in ballast water
D. from home aquariums
E. All of these are correct.
Answer: E
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Which of the following contains only nonmetals?
A) C, Si, Ge, Sn B) P, As, Sb, Bi C) F, Cl, Br, I D) none of these
The rainiest places in the world are usually located ____
a. ?downwind from mountain ranges b. ?in the region of the subtropical highs c. ?on the windward side of mountains d. ?in the middle of continents e. ?along the western side of continents
Of the following rocks, the one that is metamorphic is
A. rhyolite. B. granodiorite. C. garnet schist. D. olivine basalt.
Which of the following does NOT contribute to the layered structure of the atmosphere?
A) density B) temperature C) electrical characteristics D) chemical composition E) All of these contribute.