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Which is a valid claim about how RNA is different from DNA?

RNA contains the nucleotide base thymine.

RNA contains a different sugar in its backbone.

RNA is a molecule that is present in all living cells.

RNA is composed of a sugar, a phosphate, and a base.

Aging populations can be a problem for developed countries because a) there are fewer younger workers coming into the workforce. b) most older workers demand top-level pay and full benefits. c) many older people are skilled in manufacturing, not technology. d) younger workers cannot find jobs when older people work longer.

What is the purpose of biofertilizers? a reduce pollution b. reduce insect threats c. reduce erosion d reduce herbicide use select the best answer from the choices provided 0 0 0 0

Which aspect of the postwar era did jazz’s liveliness, looseness, and improvisation most reflect?