The main reason is because they are heavy, and because they don't have to chase their food. They're not predators and their shells give them protection like running away gives protection to other herbivores.
Answer:
to help digest food and to make vitamins
Explanation:
Answer:
it's the last one
Explanation:
since you don't want to get yourself or the other person sick or infected.
The factor that has the most greatest importance in determining the characteristics of an aquatic ecosystem will be water depth. The depth will determine the sunlight that the ecosystem will get. The answer will be B.
