How much of the total catch is discarded as bycatch for every pound of shrimp caught in the Gulf of Mexico?
a. 10%
b. 30%
c. 50%
d. 75%
e. 90%
d
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What is the difference between the velocity and the discharge of a stream? What will be an ideal response?
A deep ocean ooze was discovered near Antarctica. What type is it likely to be?
A) Radiolarian ooze B) Calcareous ooze C) Diatom ooze D) All of these choices
Many brownfield sites involve social issues centering around
A) the precautionary principle. B) environmental justice. C) ecosystem restoration. D) environmental economics.
Pollutants such as chlorofluorocarbons deplete atmospheric ozone
A. When chlorine-containing molecules are oxidized at the expense of O3 B. When carbon reacts with O3 to form CO3 C. When nitrogen combines with O3 to form NOx D. Because chlorine is most stable as ClO3 E. None of these is correct