Only answers:
16.becasue some people are soy ignorant in science so they have no wisdom in this subject
17.by using convection because both liquids change his temperature as time passes to the temperature of the room because they adapt or get the same temperature of the room
18.chemical energy: when water enter in their bodies they get energy’s to move
19.they are differents in the way of degrees because the three of then boil am freez at deferent temperature and they they are similar in they way that they are based of freezing and boiling points
20.i will do it for transfer the warm in this case my hand to cool in this case the cool water so it will get off from my arm so I will feel better