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Alex787 [66]
3 years ago
13

What is the function of the Sertoli cells in the male reproductive tract?

Biology
1 answer:
miss Akunina [59]3 years ago
6 0
Well Sertoli cells<span> keep the germ </span>cells<span> that start the process healthy and nourished. </span>
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Answer:

5.1 billion metric tons of carbon is emitted by U.S as compared to other countries which emits about 32.5 billion metric tons of carbon.

Explanation:

U.S emits about 5.1 billion metric tons of carbon in the atmosphere which contribute in air pollution also helps in rising the temperature of the earth atmosphere because carbondioxide is a green house gas which increases the earth temperature. The main reason of high amount of carbon emission is the high number of industries and more fossil fuels is burnt in the engines of vehicles.

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Endangered signifies that species will soon go extinct.

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8 0
3 years ago
A man of healthy weight may have, on the average, ____ percent of his body weight as fat.
Nat2105 [25]
The correct answer is 20% on average. The ideal percentage rate of a healthy man with normal weight is 18 to 22%. However, a range of 7-13% is considered normal for male professional athletes, because their muscular mass is much greater. The physiological minimum rate which is acceptable for males is 4-6%.
5 0
3 years ago
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