I think it might be <em>natural disasters.</em>
The digestive system uses mechanical and chemical methods to break food down into nutrient molecules that can be absorbed into the blood. Once in the blood, the food molecules, including fat molecules, are routed to every cell in the animal's body.
Answer:
A
Areas at high elevations have cooler temperatures.
B is the correct answer because the density it the salts would make the water increase therefore sink faster
