In which of the following terrestrial ecosystems would one tend to find the lowest net primary productivity?
A) extreme desert
B) woodland and shrubland
C) tundra
D) cultivated lands
A
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Who are the Ainu?
A) the wealthiest people in South Korea B) the secret police of North Korea C) the political elite in China D) the religious leaders of Taiwan E) an ethnic minority in Japan
Permafrost requires soil, sediment, or rock temperatures to remain below freezing for at least 2 years
Indicate whether the statement is true or false
A(n) ________ is the term used to describe the portion of a resource that has been discovered or inferred with some degree of certainty and can be extracted for a profit.
A. reserve B. gangue C. resource D. ore E. renewable
Different isotopes of one element are chemically indistinguishable.
Answer the following statement true (T) or false (F)