If you collect a jar of muddy water from a puddle or ditch and then let the mud settle out over many hours, you have separated much of the mud from the water using a process very much like the
A) grit chamber in a wastewater facility.
B) primary treatment in a wastewater facility.
C) secondary treatment in a wastewater facility.
D) trickling-filter system in a wastewater facility.
B
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What is a possible extraterrestrial origin for a tsunami?
A. Excessive sunspot activity B. Pull of the Sun's gravity C. A meteorite impact D. A neutron shower
If you were looking for graded beds, where would be a good place to look?
A. just offshore of a sediment-poor beach B. in the center of an atoll C. in a submarine fan D. in a warm and shallow lagoon E. None of these choices are correct.
In the thermohaline circulation systems, surface water is ________
A) saltier and colder B) less salty, less dense, and warmer C) driven by winds from north to south D) warm and dense E) cold and dense
How do caves and caverns form in limestone?
What will be an ideal response?