What prevents coral reefs from surviving below the euphotic zone?
A. high water density
B. high pressure
C. saline water
D. inadequate sunlight
E. damage from storms
Answer: D
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The overall quantity of water on Earth is constantly fluctuating as evidenced by changes in sea level
Indicate whether the statement is true or false
Which of the following is a harmful effect of even carefully designed logging roads?
A. increased erosion B. habitat corridors C. decreased sediment runoff D. increased access to farms, mines, and ranches E. increased native biodiversity
The threat posed by some synthetic chemicals is difficult to assess because of lack of knowledge of their residence times in natural systems.
Answer the following statement true (T) or false (F)
How do hot spots, which are not explained by plate tectonics, help to confirm that lithospheric plates are moving?
What will be an ideal response?