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Scrat [10]
2 years ago
10

A river is being polluted with fertilizer runoff from a neighborhood of houses. This is considered A. point source pollution B.

nonpoint source pollution C. heavily regulated water pollution D. illegal​
Biology
1 answer:
svetoff [14.1K]2 years ago
8 0

Answer:b

Explanation:

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Answer:

D. 3:1

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Gregor Mendel, in one of his numerous studies, performed a cross between purebred dominant (TT) pea plants and purebred recessive (tt) pea plants. All the offsprings of this cross appeared heterozygous tall (Tt) in the F1 generation.

However, when he self-crossed the F1 generation i.e. Tt × Tt, Mendel obtained a phenotypic ratio of 3 tall plants (dominant traits) : 1 short plant (recessive). This showed that the masked gene (recessive) was still present.

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Alex

Answer:

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3 years ago
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Hello There!

It would be a Warm Front.

Hope This Helps You!
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