Multiple Choice
During treatment of water to make it potable, about 90% of the microbes are removed
A) by treatment with biosensors.
B) by treatment with chlorine or ozone.
C) in the sedimentation step.
D) in the filtration step.
E) by preliminary fermentation.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Benzoic acid is largely a(n) (antifungal/antiprotozoal/pickling) agent
Q6: Amino acid and vitamin supplements are prepared
Q32: Botryococcus braunii is an alga that produces
Q51: Which of the following results when ethanol
Q53: A new industrial park in your community
Q57: Which of the following methods of preserving
Q58: Garlic contains an antimicrobial substance called (allicin/penicillin/streptomycin).
Q59: The fermentation product known as silage is<br>A)
Q60: Which of the following oxidize H2S to
Q70: When one microbe's metabolic activities create favorable