For years, scientists attributed the high levels of __________ among American Indians to a genetic difference tied to a thrifty genotype. Today, however, researchers are beginning to look at diet and exercise as more influential factors.
Fill in the blank(s) with correct word
Question 2
Balanced reciprocity:
a. is part of a long-term process in which nothing is specified about what is expected in return or when it isexpected.
b. involves the expectation of a specific and immediate exchange.
c. usually occurs between members of different communities who may have a hostile, distrustful relationship.
d. is exemplified by your stopping to give a stranger a lift, and replying, when he thanks you, Pass it on to thenext stranger you meet who needs your help..
e. does not occur in industrial societies.
On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand
Some organisms used as models in genetic research
American Foreign Trade, 1790–1812
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Earth 340 Million Years Ago