At a wastewater treatment plant, the primary purpose of secondary treatment is to ________
A) remove the organic matter remaining in the wastewater
B) remove bacteria and other pathogenic organisms
C) remove the large solids
D) remove toxic chemicals such as pesticides and heavy metals
A
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Where would it be most likely that you would find internal waves in the ocean?
a) At the pycnocline b) At the base of the mixed layer c) At the ocean surface d) At the ocean bottom e) At the halocline
A large portion of industrial timber comes from managed, replanted forests in North America and Europe.
Answer the following statement true (T) or false (F)
A dark colored igneous rock with no visible crystals cooled:a
slowly in a magma chamber. b. quickly in a magma chamber. c. slowly on the Earth's surface. d. quickly on the Earth's surface. e. none of the these