I believe it is A because the plant is offering protection while the bacteria is converting it in to nitrogen that the plant can use!
I believe the answer is C
Answer:
A product in science is a substance that is formed when two or more chemicals react.
Explanation:
When a chemical reaction takes place, a new substance is often created from the atoms or molecules of the original substances. There are often multiple products formed in a reaction.
1.2 x 10^10 mm^3 is equivalent to 12.0 m^3
