Secondary treatment of sewage involves the use of which type of process?
A. Virus removal/inactivation
B. Biological removal of inorganic nutrients
C. Biological removal of dissolved organic matter
D. Physical/chemical removal of insoluble particulate materials
Answer: C
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Despite the enormous amount of solar energy that plants are exposed to, photosynthesis is only able to transform about 1-2% of that energy into stored chemical energy
List three major factors responsible for this phenomenon and explain how each contributes to this inefficiency. What will be an ideal response?
Cerebrospinal fluid is found in the ________.
A. arachnoid mater B. pia mater C. subarachnoid space D. dura mater E. All of the choices are correct.
RNA polymerase has no proofreading activity during transcription
Indicate whether the statement is true or false
An example of a DNA virus is
a. rhinovirus (cold virus) b. orthomyxovirus c. herpes virus d. HIV