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2 years ago

When are fossil fuels harmful to the environment?

1 answer:

5 0

Fossil fuels are harmful to the environment when they are exposed to the air. So, the correct option is B.

<h3>What do you mean by Environment?</h3>

An environment may be defined as anything that is present in the surroundings of living entities whether biotic or abiotic factors.

After burning, fossil fuels are exposed to air and cause air pollution that results in acid rain, eutrophication, a severe threat to crops and forests, and major harm to biodiversity.

Therefore, the correct option for this question is B.

To learn more about Fossil fuels, refer to the link:

brainly.com/question/79954

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Consider that a certain gene is a maternal effect gene and that the allele for dark brown pigment is incompletely dominant to th

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Answer:

BB - Dark brown color - (1/4)

Bb - light tan (due to incomplete dominance) - (2/4 or 1/2)

bb - white color - (1/4)

Explanation:

Let the allele for dark brown pigment be represented by "B"

And the let allele for white (no pigment) be represented by "b"

Due to incomplete dominance, the phenotype of heterozygous species would be "light tan"

Genotype of heterozygous female - Bb

Genotype of heterozygous male - Bb

Bb * Bb

BB, Bb, Bb, bb

BB - Dark brown color - (1/4)

Bb - light tan (due to incomplete dominance) - (2/4 or 1/2)

bb - white color - (1/4)

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