One-fifth of Earth's total fresh water supply is in ________
A) the ocean
B) groundwater
C) ponds
D) the tundra
E) estuaries
B
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A(n) ________ response has to do with the impact of and recovery from hazards
Fill in the blank(s) with correct word
Which of the following is true of pyruvate kinase?
A) It is activated by AMP. B) It plays a key regulatory role in glycolysis. C) both a and b D) neither a nor b
Capillary water:
a. can only move downward. b. is responsible for creating caliche. c. is bound to the surface of soil particles by strong electrical forces. d. is the primary agent in transporting soil particles from one level to another.
For which continents is land degradation having the least impact on global grain production?
a. Africa and Asia b. North and South America c. Europe and North America d. Asia and Europe e. Africa and South America