Which of the following is a source of groundwater contamination?
A. ponds on the surface that store liquid waste.
B. the use of fertilizer and pesticides.
C. septic tanks.
D. All of these are correct.
Answer: D
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A resource such as solar energy that is renewed continuously is a called a(n) ____________________
Fill in the blanks with correct word
Dynamic forcing of upper air currents will create
A) upper air convergence at A that results in surface high pressure.
B) upper air divergence at A that results in surface high pressure.
C) upper air convergence at B that results in surface low pressure.
D) upper air convergence at B that results in surface high pressure.
Where does wind energy have the greatest potential to create electricity?
A. shorelines and in valleys B. mountain tops and valleys C. the great plains, shore lines, and mountain tops D. the great plains and southeastern US
Crossbeds and current ripple marks can both indicate the direction of a current. Explain how crossbeds and current
ripple marks differ and the types of environments you would expect to find them in. Fill in the blank(s) with the appropriate word(s).