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Tasya [4]
4 years ago
14

How are eras and periods of the geologic time scale named?

Biology
2 answers:
bagirrra123 [75]4 years ago
8 0

Answer:

a

Explanation:

Anestetic [448]4 years ago
6 0

They are named for the places where geologists first described rocks or fossils from that time.

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Which of the following statements is correct with respect to the use of oxidized sulfate by some bacterial groups
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All of the above.

<h3>What are sulfur oxidizing bacteria?</h3>

Any of a wide range of microorganisms that can metabolize sulfur and its components and are significant in nature's sulfur cycle are known as sulfur bacteria. Hydrogen sulfide (H2S), sulfur, and thiosulfate are a few of the typical sulfur compounds that are used by these bacteria as a source of energy. Sulfate is the end result of the oxidation of sulfur.

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I understand the question you are looking for is this:

In seawater, sulfate is the most common anion after chloride. Which of the following is correct with respect to the use of sulfate by some bacterial groups?

  1. Oxidized sulfur-containing molecules have redox potentials lower than those of the nitrogen series.
  2. Oxidized sulfur molecules such as sulfate and sulfite serve as electron acceptors.
  3. Sulfate and sulfite can receive electrons from hydrocarbons.
  4. Sulfate-reducing archaea and bacteria are widespread in the ocean.
  5. All of the above.

Learn more about sulfur bacteria here:

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