The answer is C, All habitats
During nitrification, ammonia is changed back into nitrate.
Nitrification is a three-step process of oxidation of ammonia. It is an aerobic process performed by small groups of autotrophic bacteria (Nitrosomonas, Nitrobacter). First step- ammonia to hydroxylamine, Second step-hydroxylamine to nitrite, Third step-nitrite to nitrate. Nitrification together with ammonification is part of a nitrogen cycle.
Answer: b. It only arrest growth of vegetative cells
Explanation: An antimicrobial agent is a substance that kills o control the growth of microorganisms, for humans this is very important in medicine or agriculture among others.
This agent should act quickly and being stable that help it to make it cheaper, also should not harm humans or other host of the microbial organisms.
The agent is not useful if only kills vegetative cells because it is not preventing the reproduction of the organism specially in fungi which use sexual reproduction as a backup for asexual cell division, so they will keep spreading across the host.
The answer is Taiga
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Answer:
Only Water, Oxygen, Nitrogen and ammonia
Explanation:
