Planting more and more trees helps to:

CHEMISTRY · Single correct · CBSE · Chemistry · Nature of Matter: Elements, Compounds, and Mixtures · Nature of Matter: Elements, Compounds, and Mixtures

Problem

Planting more and more trees helps to: (1) reduce CO2\text{CO}_2 in the air (2) increase CO2\text{CO}_2 in the air (3) reduce O2\text{O}_2 in the air (4) reduce CO2\text{CO}_2 and increase O2\text{O}_2 in the air

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