Our greatest source of knowledge about Earth's interior comes from ________

A) drill holes
B) deep mine shafts
C) seismic waves
D) volcanic eruptions


Answer: C

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false.

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Three criteria used for classification of the atmosphere are

A) structure, origin, evolution. B) structure, origin, temperature. C) composition, temperature, and function. D) composition, origin, evolution.

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The newest bonanza for recycling scarce and toxic metals is to recover them from ________

A) car batteries B) e-wastes such as computers C) construction dump sites D) compact discs, LPs and 8-track tapes E) landfills from the 1960s

Environmental & Atmospheric Sciences

A tide wave moves north in the Northern Hemisphere and south in the Southern Hemisphere

a. True b. False

Environmental & Atmospheric Sciences