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irga5000 [103]
2 years ago
11

Granite rock is light in color. Which feature directly contributes to this color?

Biology
2 answers:
Andrews [41]2 years ago
8 0

Answer:

The answer is B. The amount of silica minerals in granite.

Explanation:

Happy to help!!

kondaur [170]2 years ago
3 0

Answer: the amount of silica minerals in granite

Explanation:

Usually, 70-77 percent silica, 11-13 percent alumina, 3-5 percent potassium oxide, 3-5 percent soda, 1 percent lime, 2-3 percent total iron, and less than 1 percent magnesia and titania are the chemical composition of granite. Rhyolite is another kind of volcanic rock with a similar or equivalent chemical composition and mineralogy. Due to high precense of silica the color of granite appears lighter.

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Homozygous is the condition that the offsprings would have, if both their parents contribute identical versions of a gene.

<h3>What is the difference between homozygous and heterozygous ?</h3>
  • Homozygous and heterozygous are terms that are used to describe allele pairs.
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To know more about homozygous trait refer :

brainly.com/question/11602235

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1 year ago
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Ahat [919]

Answer:

environment controlling gene expression  

Explanation:

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The pancreas secrets insulin which helps to lower the blood sugar level in the body. But during pregnancy, the placenta releases some of the hormones which dilutes the effect of insulin. This is known as insulin resistance. So now the pancreas secretes more of insulin to overcome this insulin resistance for the body. Now if a woman during pregnancy does secrete more insulin, the glucose level increases in the body and the woman develops gestational diabetes.

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This it is a result of the environment control gene expression.

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