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zubka84 [21]
3 years ago
5

The ionosphere is

Biology
2 answers:
IRISSAK [1]3 years ago
4 0

Answer:

the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles above the earth's surface.

Explanation:

Gemiola [76]3 years ago
3 0

The first two your welcome

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Planet C has a tilt of zero degrees. What seasonal changes would be expected on this planet? Extreme temperature changes between
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<span>No change in temperatures between seasons. Tilt is the angle between the direction of positive pole and the normal to the orbital plane. Seasons occur due to the tilt of axis. If there is no or zero degree tilt there will be no season. Season means changes in temperature. the amount of sunlight received remains same throughout the year which causes for no change in temperature and hence no season.</span>
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Water is called the universal solvent because
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The answer to your question is c
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In humans, the allele for red-green color blindness is X-linked and recessive (Xr; the dominant allele is called XR). A man with
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Answer:

It concludes that the man is not the real father of the girl child.

Explanation:

Sex-linked or the X linked characters are the traits that inherited in a change or mutation in X chromosomes that cause the phenotype change in the male, which are homozygous for the gene as only possess one X chromosome and one Y chromosome, and Females if they are homozygous for the gene.

In the question, Man has a normal color vision (XrY) that means he has no mutated allele of color blindness. female has color blindness so that means she is a homozygous chromosome for the gene. Cross between these two results in 50% carrier daughters (XrXR) and 50% color blindness son (XRY). It means there is no chance for the color blind daughter.

Thus, the correct answer would be the man is not the real father of the girl child.

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3 years ago
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Thrombocytopenia is characterized by an insufficient number of ____________ due to low production in the bone marrow or ________
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Answer:

The correct words are - platelets, increased, tissue, thromboembolism, hemophilia, and bleeding.

Explanation:

Thrombocytopenia is a condition in which the number of platelets decreases significantly in the blood due to less production from the bone marrow or higher or increased breaking down of the platelets.

If the flow of the blood stops completely in between the heart and muscles and can lead to stroke in an individual if thromboembolism is not treated. Hemophilia is a blood condition that is a genetic disorder and inherits from the parents. In which blood does not clots and slightest bumps can lead to bleeding.

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3 years ago
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