Describe the Total Maximum Daily Load program. How does it address nonpoint-source pollution, and what role do water quality criteria play in the program?
What will be an ideal response?
"The TMDL program . . . evaluates all sources of pollutants entering a body of water, especially nonpoint sources, according to the water body's ability to assimilate the pollutant. (W)ater quality criteria provide an essential means of assessing the condition of the receiving body of water, as well as evaluating the levels of the various pollutant discharges."
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The discharge of the following floods will be
(a) 5-year flood: __________ cms (b) 10-year flood: __________ cms
Early scientists were in agreement about the age of Earth
a. True b. False
Plankton that range between 200 microns and 2 millimeters in size are considered ________.
A. nanoplankton B. meroplankton C. macroplankton D. microplankton E. picoplankton
Why are plutonic rocks often called massive?
A) They often accumulate as successive layers, appearing banded. B) They are covered by the ocean. C) They are very large. D) They rarely accumulate as successive layers and as result look very different from sedimentary rocks.