Question

Which gas is used by the green plants to make their food?>
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) None of these
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Answer 1

Explanation:

carbon dioxide (CO2)

Plants are called producers because they make – or produce – their own food. Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air. They convert these ingredients into food by using energy from sunlight.

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Answer 2

Answer:

Carbon dioxide hope it was helpful please mark my answer brainlest