The formula for this reaction would be
N + H3 ---> NH3
The first part of the reaction are the reactants and the second part is the product.
The reactants of this reaction are N and H3.
Or you could say the reactants are nitrogen and hydrogen
B. DNA is heated to separate strands
<span>First.PCR reaction</span>
I believe the termites and flagellates have a mutualistic relationship
