Answer:
Explanation:
Matter can change form through physical and chemical changes, but through any of these changes matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass.
I think it’s the first one
Answer:
the number of big fish would increase
Explanation:
when theres a bunch of small fish, that is more food for the big fish ao the population of big fish will increase