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3 years ago

8

What is the key element fountain all carbohydrates lipids proteins and nucleus acid

1 answer:

just olya [345]3 years ago

6 0

Carbon is found in all four.

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2 years ago

A mover packs books, CDs, and DVDs into a moving box. If the box contains 6.5 kg of books, 1.5 kg of CDs, and 2.0 kg of DVDs, wh

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$\text{Mass percentage}=\frac{\text{Mass of the substance}}{\text{Total mass}}\times 100$

Given: Mass of books = 6.5 kg

Mass of CD's = 1.5 kg

Mass of DVD's = 2.0 kg

Total mass = 6.5 kg + 1.5 kg + 2.0 kg = 10 kg

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