Oxygen
Fossil fuel
When hydrogen burns, the product created is water.
That's the motor, which burns fuel and propels the boat.
An internal combustion engine burns fuel inside.
An example of a motor that burns fuel without air is a solid fuel rocket motor. These motors contain both fuel and oxidizer within the fuel itself, allowing combustion to occur without the need for external air.
Fire does not burn, its whatever if fueling the fire that burns. For example, wood is a fuel that burns, and fire is the result. The speed at which a fuel burns, depends on the fuel. i.e. Wood burns much slower than gasoline.
It burns with oxygen. That's all.
coal is a fossil fuel that burns without giving water vapour.
No. Fire need fuel, oxygen, and heat to burn. Carbon dioxide is a product of most fires and can actually be used to put fires out.
when a car is driven, the gasoline it burns as fuel releases carbon dioxide into the atmosphere.
That's the body's fuel, Your body is a biological engine & burns energy which must be replaced.
How much fuel will be needed in a rocket will depend on the size of the rocket and where it is going. A rocket that will be traveling into space burns a lot of fuel and will need enough to keep it in orbit for teh desired time.