Much of the "biosolids" material that is the end product of a wastewater treatment plant is ________
A) used as crop fertilizer in the United States
B) loaded onto barges and sent to underdeveloped countries to use as fertilizer
C) trucked to special biohazard landfills for disposal
D) placed in deep injection wells to keep it out of the water table
E) used as part of the "fill" to develop wetlands into agriculture or housing areas
A
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Why does the ocean not boil or freeze solid in different regions of the world?
a. The latent heat of fusion and vaporization balance the heat energy inputs and outputs. b. Heat is able to be transferred to water vapor. c. Heat is transported by oceanic and atmospheric circulation. d. The thermal inertia of water is low in certain regions
What would happen to ozone levels if global volcanic activity increased?
A. Ozone levels would increase B. Ozone levels would not change C. Ozone levels would decrease
Diurnal tide cycles occur ________.
A. only at low latitudes B. three times a day C. twice a day D. once a day E. only at high latitudes
Which of the following have soft bodies that are more than 95% water?
A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians