Answer:
It is<u> A</u>
Step-by-step explanation:
atom → molecule or compound
Answer: P
Step-by-step explanation:
You want to isolate C, so the first step would to have it be positive. You would do this by adding C to both sides of the equation to cancel the C on one of the sides out like this:

. Then you want to cancel out the P, so you subtract it on both sides like this:

And that is your answer