DDT

A. became highly concentrated in carnivorous fish and birds.
B. affected insects but had little effect on humans.
C. was a persistent pesticide.
D. All of the statements are correct.
E. None of the statements are correct.


Answer: D

Environmental & Atmospheric Sciences

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Monsoon rains in India form when high pressure over China pulls air southwestward over the peninsula

a. True b. False

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What type of slope failure is shown in this figure?



A) Rotational slide
B) Creep
C) Rock avalanche
D) Debris flow
E) Rock fall

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Natural selection is the process that determines

A. who an individual mates with. B. which individuals within a species will reproduce and pass their genes to the next generation. C. which scientist publishes their experiments. D. how active an animal is at night.

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The "universal solvent," able to dissolve and transport a wide range of substances, is

A) water. B) air. C) wind. D) soil.

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