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PolarNik [594]
3 years ago
11

What can be done to improve soil fertility?

Biology
2 answers:
Dennis_Churaev [7]3 years ago
6 0
I think the answer is A.
Bess [88]3 years ago
4 0
D- all of these answers are correct
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Answer:

The correct answer is "grey; central canal".

Explanation:

Grey matter refers to an area of the brain, brainstem and cerebellum comprised of unmyelinated neurons and other cells that has given its name for having a pinkish-grey color in the living brain. Grey matter is also present in the spinal cord in an are of three grey columns that are H-shaped and it is located around the central canal filled with cerebrospinal fluid

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D. a viral disease because it is known and unknown and spreads.
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3

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white and roan colors so I think it's 3

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