Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[Q]: Question: What do you call vesicle transport into the cell? Answer: endocytosis
[A]: Vesicle transport into the cell is called endocytosis. The cell membrane engulfs the substance. Then a vesicle pinches off from the membrane and carries the substance into the cell.

[Q]: Question: What does increasing a solute's temperature do? Answer: increases its solubility
[A]: If a solute is a solid or liquid, increasing the temperature increases its solubility. For example, more sugar can dissolve in hot water than in cold water.

[Q]: Question: What pulls skydivers towards the earth? Answer: gravity
[A]:
Skydivers are pulled towards the Earth by gravity. Gravity exerts a force on the skydivers. A force is a push or pull. Some pushes and pulls can be seen.