Because of the harsh contrast in salinity, estuaries are among the last productive of marine habitats
Indicate whether the statement is true or false
False
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An ethical guideline to sustainable living is to ____ the way that nature sustains itself.
A. understand B. know C. feel D. support E. mimic
Both sea surface (below) and air temperature (above) show a warming period beginning in
A) 1860.
B) 1940.
C) 1980.
D) 2010.
Suppose you are traveling in a submersible that is diving from the ocean surface toward the seafloor at a depth of 4000 meters. What would you observe on the submersible's instrument panel as it passed through the thermocline?
A. The temperature of the surrounding ocean water would decrease rapidly. B. The salinity of the surrounding ocean water would decrease rapidly. C. The temperature of the surrounding ocean water would increase rapidly. D. The pH of the surrounding ocean water would increase rapidly.
How is electricity generated from hydroelectric dams or ocean tides?
A. Water piles up behind a dam or tidal barrier and flows down because of gravity. B. Water is pumped upward and then back down. C. Turbines are used to pump the water upward and generators produce the electricity. D. All of these choices are correct.