What are the sources for Heat that can cause metamorphism?
a. Heat from magma
b. Geothermal gradient
c. Solar radiation
d. Fusion reaction
e. Both a and b
Ans: e. Both a and b
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Human activity such as deforestation can affect rainfall.
Answer the following statement true (T) or false (F)
Which is the only continent that does not presently have glaciers?
A)South America B)North America C)Africa D)Europe E)Australia
A grass root organization is attempting to preserve a stretch of forest that is being considered for purchase by a manufacturing plant. The organization's main strategy is to inform the nearby housing developments of the effect on their home values if
the manufacturing plant goes versus the preserved forest. This approach is using ________. A) scare tactic valuation B) market valuation C) contingent valuation D) travel-cost valuation E) hedonic valuation
A single oscillation of the tides (from low tide to high tide and back again) takes about ________ hours
A) 24 B) 12 C) 6 D) 3 E) 2