. Suppose you want to know the amount of heat

needed to raise the temperature of 2 kg of

copper by 10°C. What property of the copper

do you need to know?

List of guarantees for people who get medical care.

21 just playing hshsjsjshsgdhdhdhhd

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.