What happens to the energy "lost" by a machine? a. it is recycled by the machine b. energy is never lost by machines c. it goes into the environment

I would say A, although it depends on what kind of machine. If it does not recycle, then most likely C. I would be able to give more context based on what kind of machine it is.

The answer would be:

C: It goes into the environment

lose energy from a machine turns into heat.

the cellphone, they would then know if the killer would have contacted them or always hated them. or if it was a breakup. but if that is not the case, then it would be the clothing. to put in a bullet, it would have to be put in by hands. hands have finger prints which, would have giving you the answer of who done it.

explanation:

d. air pressure decreases as altitude increases.