Which statement best describes a difference between mitosis and meiosis in humans? A.
Mitosis only occurs in the presence of oxygen, while meiosis can occur in the absence of oxygen.
B.
Cells produced by meiosis are genetically identical, and cells produced by mitosis are genetically unique.
C.
Mitosis is primarily used to create body cells, and meiosis is primarily used to create sex cells.
D.
Cells produced by mitosis possess half the genetic material of cells produced by meiosis.

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C.

Mitosis is primarily used to create body cells, and meiosis is primarily used to create sex cells.

Explanation: Sorry i keep saying it you asked so much questions and you need the answer.

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step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.