The answer is A, Shelter. Area A has a larger population than Area B which tells us that Area A has an advantage. Predators, Flooding, and Disease would lower the population. Shelter us the only answer that would increase the population. Good luck, I hope that helps!
Answer: What substances dissolve in ocean water.
This is the only question that can be answered through scientific investigation because it is the only question that can be tested. The other questions cannot be answered through scientific investigation because they based on opinions which are more abstract.
Enzymes are biological catalyst, they are located in several places in the digestive system . hope this helped .
I believe that the other person who answers u is right