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28. What element is essential to life and is the basic building block of organisms?A. carbonB. nitrogenC. phosphorous

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The answer is

A.Carbon

User Uhlitz
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The 4 more common elements in living beings are Carbon, Hydrogen, Oxygen, and Nitrogen. Of these 4, carbon is the one present in all organic compounds and the main biomolecules: carbohydrates, lipids, and proteins.

This means A. Carbon is the right answer.

User Dhiraj Dhule
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