| CO2 Πρωταγωνιστής1 #57309 CO2 is a gas, also known as carbon dioxide, which is formed by the burning of organic materials such as coal, oil, gas and wood. Humans and animals inhale oxygen and exhale CO2. Plants absorb CO2 and release oxygen. CO2 and water vapour (H2O) are the most important natural greenhouse gases. |
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