You can see a physical change always but not always a chemical
Answer:
both are the types of mixture and both are impure substances that donot have fixed composition and the composition of constituents is not uniform
The two types of energy changes that occur are heat and light changes.
Answer:
I think its C but if its not try A then
Explanation:
Answer:
B
Explanation:
Because when you go to the doctors they say, "You need to get your x-rays done" not microwave
