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Oxygen
Burning release carbon dioxide and water vapors.
A substance which has ability to burn is called combustible.
CO2 and water is needed. Oxygen and glucose are produced
When candles burn, new substances form.
Oxygen.
Oxygen.
oxygen
fire needs oxgen
Oxygen
Oxygen is needed to feed the flame.
Hydrogen is a colorless gas that burns with oxygen. If substances will burn in air, those same substance will burn better in oxygen.
Depending on the fuel, Oxygen is the main gas.
oxygen is needed for fuel to burn
Oxygen
Glucose and oxygen are needed for respiration. All other substances are not needed.
Burning release carbon dioxide and water vapors.