Given a scientific passage and an answer, generate a question for the given answer.
--------
Question: Passage: An autoimmune disease is a disease in which the immune system attacks the body's own cells. Why this happens is not known for certain, but a combination of genetic and environmental factors are likely to be responsible. Type 1 diabetes is an example of an autoimmune disease. In this case, the immune system attacks cells of the pancreas. Two other examples are multiple sclerosis and rheumatoid arthritis. Answer: autoimmune

Answer: What term describes a disease in which the immune system attacks the body's own cells?

Question: Passage: Sponges reproduce both asexually and sexually. Asexual reproduction occurs by budding. Sexual reproduction occurs by the production of eggs and sperm. Males release sperm into the water through the osculum. Sperm may enter a female sponge through a pore and fertilize her eggs. The resulting zygotes develop into larvae. Answer: asexual

Answer: Budding in sponges is a form of what type of reproduction?

Question: Passage: The amount of kinetic energy in a moving object depends directly on its mass and velocity. It can be calculated with the equation: . Answer: mass and velocity

Answer:
The amount of kinetic energy in a moving object depends directly on what two factors?