Answer:
A physical change effects a substance physically. Examples include cutting, bending, dissolving, freezing, boiling, and melting.
A chemical change effects a substance chemically. Examples include burning, rusting, and digesting.
Hope this helps.
Answer:
Explanation:because of electricity the coal amount will decrease
Answer:
yes
Explanation:
that is the answer I think so.
The original location of an earthquake is known as the epicenter.
This would be 7. Below 7 is acidic and above is basic. 7 is neutral