I would say Lava.
Hope this helps. :)
Current, I got it right on my quiz
When gasoline burns in the engine, it is oxidised and energy is liberated.
Here the chemical energy of gasoline is converted into mechanical energy to move the vehicle.
750W 30mins...750x30x60 joules ... 75000x18 ... about 1,500,000j
D
It is often necessary to convert one metric measurement to another unit—this happens frequently in the medical, scientific, and technical fields, where the metric system is commonly used.