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serg [7]
2 years ago
5

Urine is made of _________​

Biology
1 answer:
scZoUnD [109]2 years ago
6 0

Answer:

Answer is A

Explanation:

Urea consists of carbon, nitrogen and oxygen. You can find it in urine, sweat, blood and milk in mammals. In its most concentrated form, it is urine. Urea is a crystalline compound, and the nitrogen content is always at least 46 percent when dry.

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