State briefly the known threats to kelp forests
What will be an ideal response?
1. Sea urchin populations are increasing because sea otters (their predators) are declining.
2. Runoff of water that is contaminated with pesticdes, herbicides and fertilizers.
3. The warming of the world's oceans because kelp forests require fairly cool water.
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Improvements in transportation technologies make it easier to access agrarian interiors
Indicate whether this statement is true or false.
Disasters occur where Earth unleashes its concentrated energy.
Answer the following statement true (T) or false (F)
How does the daily insolation received at the top of the atmosphere vary annual from lower to higher latitudes
What will be an ideal response?
Magma with the greatest capacity for trapping gases is
A. intermediate. B. felsic (silicic). C. ultramafic. D. mafic.