The most common energy conversion is from mechanical to electrical
mechanical to heat
electrical to chemical
heat to mechanical

please please help!

Answer) by studying proton collisions hope this : )

The correct answer should be "electrons orbit the nucleus in circular motions exactly as shown on the classic bohr model."

Remember that rust prevented by placing a sacrificial electrode in electrical contact with the iron. the sacrificial electrode must be composed of a metal that  oxidizes  more easily than iron (that is, it must be below iron in table 18.1).

The law of conservation of mass states that a mass of an object or the amount of matter composed inside an object or thing will not change unless it is added or removed of the matter that is contained in the object itself.