Question

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1. What gas do animals breathe in and what gas do they breathe out?

2. In sunlight, plants take in what gas and release what gas?

3. Without sunlight, plants take in what gas and release what gas?

Answer 1

1. it takes in oxygen gas and releases carbon dioxide gas into the atmosphere

2. Plants take in carbon dioxide and release oxygen

3. Oxygen

Step-by-step explanation: