Nitrates exist in which form normally?

Nitrates are used by which of the following?

Fish excrete nitrates in the form of what compound?

Which answer choice uses nitrates to stimulate growth?

Excess nitrates in the water do NOT cause which of the following?

Assuming that there is an excess of nitrates in a body of water and algae grow unchecked across the surface of the water, what is the major effect that this will have on the water?

What human actions cause nitrates to get into ground water?

Which of the following is NOT a characteristic of nitrates?

Generally, the presence of excess nitrates in water is harmful?

If a large amount of nitrates are present in a body of water, what color will the water usually be?

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