_________ may be a selective pressure that has caused type O blood to be much more common amongst South American native groups
a. Resistance to infectious diseases from Europe
b. Body heat regulation
c. Ability to recover from wounds
d. Darker skin color
Correct Answer: a
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The invention of the birth control pill marked the first time that women were able to control their fertility through direct means
Indicate whether the statement is true or false.
How has the Indian caste system changed over the years?
a. it has become more rigid b. laws have been implemented to formally recognize social castes c. there is increased social mobility among castes d. there has been no change in the caste system since its origin
Power based on legitimacy is called _______________
Fill in the blank(s) with correct word
The "Green Line" is:
a. The police force that protects American cities. b. The geographical line that separates desert areas from tropical areas. c. The fence that was built across Australia, from Starvation Harbor on the South Coast to a point near Cape Keravdren on the North West coast. d. The border between Israel and the West Bank. e. The fence separating the United States from Mexico.