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What is the most common molecule in living things? a. co b. co2 c. h2o d. h2

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c. h2o. The human body is made up of nearly 80% water
User OmerN
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Answer: C. H2O

Explanation: Living things composed of many molecules. Which are water , fats , carbohydrates , proteins. Gases include oxygen , carbon dioxide , carbon monoxide , hydrogen etc. Body also contains ions such as sodium , phosphate , potassium etc.

Water is body's main component. The amount of Water in human body is around 55- 60 percent. The percent of water in infants is high around 75-85 percent.

User Raspo
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