Answer:
No
Explanation:
The same amount of matter is present before and after chemical and physical changes. Matter cannot be created or destroyed
Answer:-
pls find the answer in description
Explanation:
if u are here u are a fool for shure
Mass of molecule (g) = Mr of substance over avarogado constant
A good example is the mineral<span> plagioclase. Plagioclase is a member of the feldspar group, but </span>there<span> is more than one type of plagioclase.</span>
