In Sewage-Treatment Systems, Nitrifiers Such as ________ Are Used to Decrease

question 66

Multiple Choice

In sewage-treatment systems, nitrifiers such as ________ are used to decrease the reduced nitrogen content.

• A) Neisseria gonorrhoeae and N. meningitidis
• B) Thiobacillus spp.
• C) Nitrosomonas, Nitrosolobus, and Nitrosovibrio
• D) Escherichia spp.
• E) Helicobacter and Campylobacter

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Definitions:

Substitute Product

A product that can be used in place of another, fulfilling the same needs or desires.

Chicken Prices

The market value or cost of chicken, which can fluctuate based on factors like demand, feed prices, and production costs.

Price of Beef

The cost at which beef is sold in the market, which can vary based on factors like quality, supply, and demand.

Equilibrium Price

The price at which the quantity of a good or service demanded by consumers equals the quantity supplied by producers.