A substitution is a mutation that exchanges one base for another. This can include a change in a single chemical letter. ex. changing a to g or in your case g to a. I believe the correct answer should be B.
Answer: The mole to mole ratio are the stoichiometric factors of the chemicals in your balanced reactions and are always in whole numbers. When we balance a chemical reaction, whole numbers are always used for easy convention.
Explanation:
Elements with the same number of protons but a different of neutrons is an
Isotope
or C
Explanation:
brain and heart froce acts between two chloramine
