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IM BEING TIMED HELP!

IM BEING TIMED HELP!-example-1
User Hemanath
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Answer:

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User ExxKA
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The correct answer is :

D. infecting tissues

There are two types of bacterias in nitrogen cycle,

1. Nitrifying bacteria : does nitrogen fixation.

2. De - nitrifying bacteria : converts nitrogenous compounds into atmospheric nitrogen.

User Terminador
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