Putting a liquid in a freezer will turn it into a solid/ice. Boiling water will turn the water into gas. Melting an ice cube will turn into liquid because of the heat.
Following a cut or scrape ....
A Mitosis.
....repairs your skin
Friction creates heat between two objects rubbing together, and slows the moving object down.
Answer:
Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
