Basic units of the DNA molecule composed of a sugar, phosphate, and one of four DNA bases is called a(n):
a. protein.
b. nucleotide.
c. intron.
d. enzyme.
e. chromosome.
b
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The Bakhtiari are a:
a. pastoral group who raise goats and sheep. b. pastoral group who raise pigs and cows. c. foraging group with an extensive home range. d. horticultural group that raises manioc and bananas. e. horticultural group that raises taro, yams, and wheat.
All bones will eventually become fossils
Indicate whether the statement is true or false.
BHP Billiton in Papua New Guinea
A. began a reforestation project. B. denied that they had made any negative environmental impacts. C. has caused flooding and pollution that has forced many indigenous families to move. D. closed the mine that was not up to environmental standards. E. increased the standard of living for the majority of the indigenous population.
Which of the following European powers was NOT an important conqueror in the New World?
a. Spain b. Portugal c. England d. Italy