Question

..................is an important nutrient?

(a) Hydrogen (b) Nitrogen

(c) Oxygen (d) Carbon​

Answer 1

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All of them..Although the four elements: carbon, hydrogen, oxygen, and nitrogen, are essential for life, they are so plentiful in food and drink

Answer 2

Answer:

All of them.

Explanation:

They all form CHON which is essential for life.