Which of the following is used to control the of microbes in the air
A) UV light
B) triethylene glycol
C) cellulose acetate filters
D) all of these choices
Correct Answer:
Verified
Q23: Molds in soil serve to:
A)aid in decomposition
B)aid
Q24: Which of the following symptoms is not
Q25: In the phosphorous cycle,inorganic phosphates are converted
Q26: In testing for water purity,the presumptive test
Q27: Phytoplankton include:
A)cyanobacterteria
B)diatoms
C)dinoflagellates
D)all of these choices
Q29: Eutrophication leads to:
A)a decrease in oxygen
B)plants become
Q30: The primary producers in the ocean are:
A)bacteria
B)viruses
C)phytoplankton
D)two
Q31: Which is the order of purification procedures
Q32: Which of the following statements about biogeochemical
Q33: Soil contains human pathogens,for instance _.
A)Clostridium tetani
B)Bacillus
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