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Mandarinka [93]
3 years ago
7

I need this question nowwwwww

Biology
1 answer:
Dvinal [7]3 years ago
4 0

Answer:

C. .. the earth is between the sun and the moon which is exactly the position of these three bodies during a lunar eclipse

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The nitrogen cycle is most directly dependent upon-
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B) Nitrogen-fixing bacteria and lightning

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Nitrogen cycle is the natural process in which atmospheric nitrogen is converted into nitrite and nitrate with the help of bacteria.

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As bacteria are responsible for most of the chemical conversion in the nitrogen cycle such as nitrogen fixation (first step) is done by soil bacteria (Cyanobacteria) that form ammonia, which is toxic to plants; nitrification in which ammonia is converted into nitrites and nitrates with the help of Nitrobacter and denitrification bacteria involve Pseudomonas, and Achromobacter which convert nitrite and nitrate into nitrogen.

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