Answer:
List three ways of reducing friction. 1.Polishing the rough surface. 2.Providing all bearings or wheels between the moving parts of a machine or vehicles reduce friction and 3.allow smooth movement as rolling friction is less than sliding friction.
Answer:
vapor and elastic potentiol energy
Explanation:
Latent heat- when water evaporates it removes heat
Answer:
The answer is D. Animals and plants
