Sea otters play a role in maintaining the biodiversity of which ecosystem?
a. Tidepools
b. coastal kelp forests
c. coastal sandy beaches
d. open ocean areas
e. Estuaries
B
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Boreal forest climates are associated with
A) subarctic climates. B) Mediterranean climates. C) tundras. D) humid low latitude climates.
Eventually our sun will become a red giant. Explain what this means. What would happen to Earth and
our universe if this were to happen? What will be an ideal response?
Rachel Carson's book Silent Spring showed that
A) pesticides like DDT were ineffective in killing crop pests. B) scientific expertise can help shape positive environmental policies. C) industries producing harmful chemicals welcomed scientific evaluation of their environmental impact. D) biodiversity could be increased with cautious use of DDT.
What is the name of a sudden, highly energetic, eruptive explosion on the surface of the Sun?
A. granulation B. flare C. sunspot D. coronal hole