Acid mine drainage is a problem because
A) it dissolves limestone
B) it represents a waste of ore that could be mined
C) it adds sulfur to coal, making it less desirable as a fuel source
D) the acid water may mobilize hazardous heavy metals
D
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What characteristic is associated with convergent plate boundaries?
A) New crust formation B) Solidification of crust materials C) Violent geological activity D) Spreading zones
Alluvial fans form best in humid climates
Indicate whether the statement is true or false
In the Northern Hemisphere, the air circulation about a high pressure cell is clockwise.
Answer the following statement true (T) or false (F)
When will stream discharge likely be the highest?
A) as the stream flows through the narrowest part of the channel B) during periods of heavy rainfall C) in the winter when the snow packs are the greatest D) in late fall or winter when the area begins to freeze E) as it flows midstream, especially in summer