The answer to this question is toaster, it starts as electric, then heats up and turns to heat energy to heat up your food.
I don’t understand your question
The atomic number is made out of the number of protons and neutrons in an atom.
(Mark me brainliest!)
Answer:
welding torch fuel
Explanation:
Alkenes are chemical compounds formed by a carbon atom and a hydrogen atom. They have an open chain with double bonds between two carbon acts. They are widely used in the composition of fuels, such as welding torch fuel and have as main characteristics the solubility in solvents, the insolubility in water, high melting and boiling point and the absence of colors.