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olga55 [171]
3 years ago
5

Which layer of the profile determines the color of the soil?

Biology
2 answers:
Taya2010 [7]3 years ago
8 0
Top I think if im not mistaken
Aleksandr-060686 [28]3 years ago
5 0

Answer: A

Explanation: top = the highest or uppermost point, part, or surface of something.

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A goal of rapid-transit systems is to decrease air pollution. True False
netineya [11]
True

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3 years ago
Which of the following is an example of a polygenic trait? A. The flower color of a plant is determined by how three different a
IrinaVladis [17]
"Human height is determined by several genes located on different chromosomes" is the one among the following choices given in the question that <span>is an example of a polygenic trait. The correct option among all the options that are given in the question is the fourth option or option "D". I hope it helps you.</span>
8 0
3 years ago
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Why rapid binge drinking is more dangerous than slower consumption of alcohol?
Tpy6a [65]
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7 0
4 years ago
Color in McIver beetles is determined by two alleles at one gene locus. McIver beetles must have a heterzygous genotype (genotyp
seraphim [82]

Answer: The frequency of brown beetles is 0.32.

Explanation: The frequency of A1 allele is 0.8. As p+q=1, or the sum of dominant and recessive frequencies equals 1 or 100%:

1 - 0.8 = 0.2

In Hardy-Weinberg principle,

p^{2} + 2pq + q^{2} = 1

2pq represents the frequency of heterozygote individuals, so:

genotype A1A2 = 2*0.8*0.2 = 0.32.

Thus, the frequency of brown beetles (A1A2) in the population is 0.32.

3 0
3 years ago
ATP (adenosine triphosphate) is the molecule that all molecules use as a ___________________ source.
IrinaK [193]

Answer:

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Atp is the powerhouse of the cell.

THANK YOU

3 0
2 years ago
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