A continental shelf along a passive margin is below sea level because 
A. it is underlain by oceanic crust.
B. the crust has been thinned by normal faulting.
C. it was a mountain that was eroded away.
D. the weight of the continental crust pushes it down.
Answer: B
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The earth can support our current population and resource use indefinitely.
Answer the following statement true (T) or false (F)
"Edge effects" become particularly problematic when
A. forests undergo biodiversity changes as a result of climate change B. trying to manage and protect island biodiversity C. preserves have a very large area and a roughly circular shape D. formerly large habitats are reduced to small fragments
Sand volcanoes are a good indication that ________ has occurred in an area
A) liquefaction B) uplift C) subsidence D) tsunami
Igneous means ________________ in Latin
Fill in the blank(s) with correct word