Answer:
i need this im struggling with my work
Explanation:
The melting of solid wax to form liquid wax and the evaporation of liquid wax to form wax vapor are physical changes. The burning of the wax vapor is a chemical change.
Answer:
physical
Explanation:
no chemical reaction occurs
Answer:Switch off lighting in refrigeration areas when not in use?
Explanation:
<span>1.)One way to limit iron corrosion is to coat the iron with a metal that:
A.)will never undergo corrosion
</span>
