Mass movement is also called:
a. Rockslide
b. Mass Wasting
c. Mass Flowing
d. Earthflow
Ans: b. Mass Wasting
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Hydraulic fracturing breaks what kind of rock layer to release methane?
A. Slate B. Limestone C. Shale D. Granite
Human water withdrawals have been increasing at about ________ rate as worldwide population growth.
A. half the B. the same C. one-third the D. three times the E. twice the
Tropical wet and dry climates
A) usually cluster near the equator. B) owe much of the seasonal changes in precipitation to the shifting of the Hadley cell. C) can suffer from floods, but not drought. D) have little variability in precipitation from year to year.
Amino acids are molecules which contain both an amino group and a carboxyl group. Proteins are made up of a-amino acids which, except for proline, have the general formula NH2-CHR-COOH where the R group determines the identity of the amino acid. With the exception of proline, which of the following is true of the amino group in a-amino acids?
A) It is always 1°. B) It is always 2°. C) It is always 3°. D) It is 1°, 2° or 3° depending on the identity of R.