Which of the following is considered a benefit of a dam?

A. altering river flow
B. loss of water by evaporation
C. sediment buildup
D. seepage into underlying rock beds
E. electricity generation


Answer: E

Biology & Microbiology

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The reason that an action potential is so brief is that

a. a wave of repolarization immediately follows the rising portion of the spike. b. the closing of potassium gates allows the voltage difference across the neural membrane to be restored. c. the channels for sodium movement remain open. d. the sodium-potassium pump restores the electrical gradients. e. the membrane limits electrical activity.

Biology & Microbiology

Substances such as alcohol that promote the formation of urine are known as ________

A) diuretics B) renal stimulators C) antidiuretics D) hormones

Biology & Microbiology

The inside of the cell is filled with a fluid called

What will be an ideal response?

Biology & Microbiology

If a prodromal period exists for a certain disease, it should occur prior to

A) incubation. B) illness. C) decline. D) convalescence.

Biology & Microbiology