By the age of 3, Efe children have been found to spend an average of __________ of their time a day in social contact with people who are not their mothers
a. 10%
b. 50%
c. 70%
d. 90%
c
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Uniformitarianism states that the natural forces at work today have more or less been the same as those at work in the past.
Answer the following statement true (T) or false (F)
Which statement about music in the 21st century is true?
a. There is increasing collaboration between different art forms throughout the world. b. There is less collaboration between different art forms throughout the world. c. Within the next generation or two, all traditional forms of music will disappear. d. Music is becoming more and more expensive to produce, which may cause it to diminish in artistic value. e. Music is used more as an emotional language today than as a form of folklore and tradition.
Which of the following would most likely be a reward for good leadership in band societies?
a. Greater wealth b. Military power c. Prestige d. Rights of other people
Natural selection works on the __________ of an individual organism
a. phenotype b. genotype c. chromosomes d. alleles