Which pair of bases is linked together by two hydrogen bonds?
A) guanine and adenine
B) adenine and cytosine
C) guanine and thymine
D) none of these
D
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Today, many of the old dumps and landfills from past decades are now
A) festering sites of toxic waste that must be fenced off and restricted. B) parks and recreational areas widely used by the public. C) being mined for the resources that were buried over several decades. D) deep depressions, resulting from the decay of most of the materials that were buried long ago.
According to the principle of ____________, fossil assemblages succeed one another through
time in a regular and determinable order. Fill in the blank(s) with the appropriate word(s).
Due to the widely varying, dry terrain, portions of South Dakota are what type of terrain?
A. mesa-and-scarp B. basin-and-range C. erg D. reg E. badland
The UN's 1982 Convention on the Law of the Sea allows coastal states, including island nations, to claim up to ________ nautical miles of the ocean off their shores as an Exclusive Economic Zone
A) 12 B) 20 C) 100 D) 200 E) 320