The ice sheets of Greenland and Antarctica have an average thickness of about 2 km (1.24 mi)
Indicate whether the statement is true or false
TRUE
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In a centrally planned economy, economic decisions are made by
A. government ministries B. the educated elite C. corporations D. the United Nations
We should never assume that any aspect of culture has diffused unless we can demonstrate the path of diffusion from one culture to another
Indicate whether the statement is true or false.
The highest amounts of pesticides or their breakdown products would be found within a cougar in its
A) saliva. B) muscles. C) kidneys. D) body fat.
If surface mines tend to cause greater environmental impacts, why are they used?
A) Surface mines require the excavation of less rock. B) Cyanide is not required to process ore from a surface mine. C) Surface mines are more economical. D) Subsurface mines are more hazardous to miners.