The correct answer is D: Fault-Block I hope it helps
Bacteria are required or needed in the nitrogen cycle because other living properties cannot use atmospheric nitrogen.
<h3>What is the nitrogen cycle?</h3>
The nitrogen cycle is the sequence of operations by which nitrogen and its mixtures are interconverted in the environment.
In living organisms, It considers nitrogen fixation and pollution.
As regards Nitrogen fixation is affected, just bacteria are competent to improve atmospheric nitrogen into structures usable by other living organisms.
In nitrogen fixation, the atomic nitrogen is converted into chemical forms functional by plants and convert atmospheric nitrogen into chemical forms functional by plants.
Therefore, option A is correct.
Learn more about the nitrogen cycle, refer to:
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<span>B. to serve as a detailed plan for settling the territory claimed by the U.S. northwest of the Ohio River , as the whole point was to maintain the northwest territory!
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Answer:D-Atmosphere that supports a relatively narrow and consistent range of temperature
Explanation:
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<span>A: Crude oil, an important source of energy, is now extracted from beneath the ocean floor.</span>
