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The carbon dioxide that is used by plants ________

1. Is combined with oxygen to make sugar molecules

2. Is absorbed through the roots of plants

3. Comes from the air

4. Is actually a source of food

Respuesta :

Answer:

3

Explanation:

because carbon dioxide can be found in air

Answer:

The answer is 3.) Comes from the air

Explanation:

Since in this question, were talking about carbon dioxide, there is only one place where the plant can take the carbon dioxide. And that one place is the air.

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