Given what you know about surface productivity, where do you think that sunlight penetrates deepest into the ocean?
a) Coastal waters on the west coast of North America
b) Lagoons in the South Pacific
c) In the open ocean
d) Along the equator
e) Surrounding Antarctica
C
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In general, rates of glacial flow are greatest in the zone of ____________________.Fill in the blank(s) with the appropriate word(s)
Which atmospheric layers have increasing temperature gradients?
A. troposphere and stratosphere B. stratosphere and thermosphere C. troposphere and thermosphere D. thermosphere and mesosphere
Terranes that can be shown to have traveled great distances are known as ________ terranes.
A. accreted B. exotic C. suspect D. shield E. cratonic
Since increased numbers of women began smoking about 50 years ago, lung cancer rates in women have
A. remained the same. B. increased by 600 percent. C. increased slightly. D. doubled.