which burns fuel to release thermal energy?\nrefrigeration\ncombustion\ncoolant\nthermostat

which burns fuel to release thermal energy?\nrefrigeration\ncombustion\ncoolant\nthermostat
Answer
Brief Explanations:
Combustion is a chemical - reaction where fuel reacts with oxygen to release thermal energy. Refrigeration is for cooling, coolant is a substance for heat - transfer, and thermostat is a device for temperature control.
Answer:
combustion