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: How can you calculate the density of matter? Answer: by dividing its mass by its volume
[A]: The density of matter can be calculated by dividing its mass by its volume.

[Q]: Question: Biochemical compounds that include sugars, starches, and cellulose are examples of what? Answer: carbohydrates
[A]: Carbohydrates are biochemical compounds that include sugars, starches, and cellulose. They contain carbon, hydrogen, and oxygen, and they are used mainly for energy by living things.

[Q]: Question: What is the term for cellular eating? Answer: phagocytosis
[A]:
Phagocytosis , or cellular eating, occurs when the dissolved materials enter the cell. The plasma membrane engulfs the solid material, forming a phagocytic vesicle.