We lose 5 to 7 million ha of productive cropland per year to ________
A) reforestation and wetland restoration
B) damage from pesticides
C) no-till cropping and shelterbelts
D) damage from recreation activity
E) erosion, over-irrigation, and overgrazing
E
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In contrast to classic heatstroke, exertional heatstroke:
A) causes hyperglycemia. B) presents with hot, dry skin. C) affects young, healthy people. D) is associated with diuretic use.
In the downstream direction, a typical humid-region stream would experience a(n) ____
a. decrease in discharge b. decrease in channel depth c. increase in channel width d. increase in gradient
Dumping lawn clippings into a stream will reduce this
A. biochemical oxygen demand. B. flow rate. C. dissolved oxygen. D. dissolved nitrogen.
Ammonia that is not taken up by plants may undergo ____________________
Fill in the blanks with correct word