The reason we can say humans have caused changes in the climate is a result of
a. scientific data manipulation and false reporting.
b. claims coming from television commentators and politicians.
c. measurements of coal and petroleum resources.
d. measurements of carbon dioxide emissions.
e. swimming among the coral reefs.
d
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In societies that contain many different ethnic groups, __________
A) ethnicity is part of the system of stratification B) all ethnic groups have equal access to resources C) the caste system prevents immigrant groups from achieving social mobility D) the largest ethnic group is always the most politically dominant one
The earliest known fossil human ancestor is called
A. Australopithecus. B. Paranthropus. C. Orrorin. D. Homo.
The cerebrum ________
a. is crisscrossed with a series of sulci b. is divided into four hemispheres c. has undergone the least obvious changes over the course of human evolution d. has an inner surface known as the cerebral cortex
The pace of discovery of new fossil hominins has accelerated. The text states that this may be attributed to
a. regional political changes b. the better training excavators are receiving c. better pay for paleoanthropologists d. all of these