The greatest source of radiation is radon gas
The reaction given above is a combustion reaction. All combustion reactions are exothermic, meaning they give off heat when they react,
Some chemical heat highly temperature it was produce poison gas
Answer: Combustion
Explanation:
Methane gas or natural gas is the hydrocarbon that reacts with oxygen as shown below: CH4 + 2O2 → CO2 + 2H2O There are two types of combustion reactions: complete and incomplete combustion. Therefore there are four products, carbon dioxide, water, carbon, and carbon monoxide.