Since the beginning of industrialization, ocean acidity has already increased by:
a. ?100%.
b. ?20%.
c. ?30%.
d. ?45%.
e. ?10%.
c
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What is the ethical difficulty involved in many development projects?
A) Some lives may be improved while others are worsened. B) One cannot implement the improvements for everyone at the same time. C) Development projects only benefit those in wealthy nations. D) There is no evidence of benefit from development projects, but people request them anyway.
The Acheulian biface or "hand axe" is a basic tool of the Acheulian tradition
a. True b. False Indicate whether the statement is true or false
In The Flats, described by Carol B. Stack, the conditions of poverty forced people into nuclear families rather than kinship and friendship networks
Indicate whether the statement is true or false
Of the sites listed below, which one is the Homo erectus site that provides the longest record of habitation?
a. Trinil b. Swartkrans c. Zhoukoudian d. West Turkana e. Laetoli