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.

Question: Sickle-cell anemia, leukemia, lymphoma, and hemophilia are examples of what types of disease? Answer: blood disease
Blood diseases include sickle-cell anemia, leukemia, lymphoma, and hemophilia.

Question: Molar mass is equal to density multiplied by what? Answer: molar volume
Molar mass is equal to density multiplied by molar volume.

Question: What is the term for the change in temperature with distance? Answer: temperature gradient
Temperature gradient is the change in temperature with distance.