Answer:
A True ( I Think Its True I'm Not Intirely sure)
Explanation:
Chemical reaction produces new substances.
If you can identify substances you look for some differents befor and after. if find then sure there was chemical reaction.
For this case we have that a paper clip is a very small object, to be taken in the hand we feel that its mass is very small, almost imperceptible.
For this reason we can discard option D and option A.
Being so small we can use the milligrams to measure its mass, it is the smallest scale.
Answer:
Option B
sorry Idk the answer ..???
Answer:
which agrees with the third answer in your list of answer options
Explanation:
Start with:

divide both sides by b to isolate c on the right:
