Question

How is carbon dioxide used by plants?

A. To make food
B. To break down starch
C. To fix nitrogen
D. To prevent photosynthesis ​

Answer 1

The answer you are looking for is A. To make food

Explanation: plants use carbon dioxide as there food then breath out oxygen, similar to how we breathe in oxygen and breathe out carbon dioxide.

Answer 2

A

Step-by-step explanation:

Plants use carbon dioxide (CO2), sunlight, and water (H2O) in photosynthesis, which is how plants make food (glucose).