Answer:
b and c
Explanation:
In b you'll be mixing and heating up the sauce creating a new compound from older components and in c, the ultraviolet lights will change your skin cells.
For the answer to the question above, I believe that the demographics are exhibiting and prioritizing the stores who have a more traffic and they exhibit more loyalty after the store was visited.
Customers like us are more likely to buy which a physical store can be visited.
Nuclear reaction fission powers the both of them
