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11. Hay is made up of organic compounds. What are the main elements in many organic compounds?

User Visahan
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Answer:

35

Step-by-step explanation:

User Jaisa Ram
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The three elements that make up over 99 percent of organic molecules are carbon, hydrogen and oxygen. These three combine together to form almost all chemical structures needed for life, including carbohydrates, lipids and proteins.
User Van Du Tran
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