Salmon introduction in the Great Lakes has brought in millions of dollars from sportfishing, yet environmentally it has

A. decreased migratory bird populations.
B. improved water quality.
C. increased exotic invasive fish populations.
D. decreased native fish populations and disrupted spawning.


Answer: D

Environmental & Atmospheric Sciences

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Deficiency of which of the following is associated with anemia?

A) folic acid B) nicotinic acid C) riboflavin D) thiamine

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Thermohaline circulation results in a global- scale "conveyor belt" that circulates water throughout the entire ocean system.

a. true b. false

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