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anastassius [24]
2 years ago
15

PLEASE I WILL MARK BRAINLIST

Biology
1 answer:
CaHeK987 [17]2 years ago
3 0

Answer:

B.

Explanation:

it belived to be one of the earliest chemical

pesticide.

Hope it's Help

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Name the three particles atoms are made up of.
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protons, neutrons and electrons

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How do fossil fuels affect the environment
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Burning fossil fuels emits a number of air pollutants that are harmful to both the environment and public health. Sulfur dioxide (SO2) emissions, primarily the result of burning coal, contribute to acid rain and the formation of harmful particulate matter.

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Which of the following is relatively constant in an ecosystem? More than one answer may be correct!
ankoles [38]

Im pretty sure its

A. Number of Organisms

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A million sorrys if im wrong :(

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3 years ago
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A man and his wife both have normal color vision, however their daughter is positive for red-green color blindness. The man sues
mixas84 [53]

Answer:

Man's genotype: XᴮY

Woman's genotype: XᴮXᵇ

Daughter's genotype: XᵇXᵇ

The daughter is not the man's child.

Explanation:

Color blindness is a sex-linked trait caused by a recessive allele located in the X chromosome (Xᴮ=normal vision; Xᵇ-color blind).

Women have two X chromosomes, while men have an X and a Y chromosomes. For that reason, women need to have two recessive alleles to be color blind, while men only need one Xᵇ to be colorblind.

Since the man has normal color vision, his genotype would be XᴮY.

If the daughter is her father's, she would have inherited his dominant Xᴮ allele, so she would have normal vision. However, she is colorblind, so her genotype is XᵇXᵇ. She is not the man's daughter.

The mother also has normal color vision, but her daughter inherited a recessive allele from her, so her genotype is heterozygous XᴮXᵇ.

3 0
2 years ago
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