A vertical economy exploits environmental zones that are close together in space but differentiated by altitude, rainfall, overall climate, and vegetation.
Answer the following statement true (T) or false (F)
True
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One of the advantages of plant and animal domestication is:
A. increased chances of social contact with neighboring groups. B. an increase in the amount of food produced per unit area. C. an increase in leisure time. D. variety in the diet.
Former colonies are notoriously poor today. According to the CIA World Factbook, of the 40 poorest countries on earth in 2010, what percentage are former colonies of European nations?
a. 84 percent b. 63 percent c. 98 percent d. 33 percent e. 71 percent
Law has existed in virtually all societies
a. True b. False Indicate whether the statement is true or false
A genotype is said to be ________ when two alleles are different.
A. heterozygous B. dominant C. homozygous D. recessive