earth science stuff =]?

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pinkie15187

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Many of the basic tools of modern oceanography were deveolped to meet military needs during
the Vietnam War.
World War I.
World War II.
the Revolutionary War.

Ocean water has a lower freezing point than pure water does.
True
False

Diatoms are one of the most abundant types of
bacteria.
phytoplankton.
zooplankton.
salt.

Upwelling is important to sea life because it
cools the surface water.
brings carbon dioxide to the surface.
brings nutrients to the surface water.
keeps ocean temperature uniform.

What percent of the ocean's volume is made up by the mixed layer?
about 30%
about 5%
none of the above
about 2%
 
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