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:
The wheel and axle is a machine consisting of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the other.
People have grown completely immune to smallpox, meaning that the vaccine has done it's job and is no longer needed.
B the 2nd answer, <span>A large region of interconnected ecosystems.</span>
Answer:not c
Explanation:
C is not the correct answer took the test
