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: Which is larger: the human sperm or the human egg? Answer: human egg
[A]: A human sperm is a tiny cell with a tail. A human egg is much larger. Both cells are mature haploid gametes that are capable of fertilization. What process is shown in this photograph?.

[Q]: Question: Gall bladder removal surgery does not seriously affect digestion because ______ is still being produced. Answer: bile
[A]: Note Surgical removal is often advised for a gallbladder that becomes infected, inflamed, or perforated. This surgery does not seriously affect digestion because bile is still produced.

[Q]: Question: Ground subsidence is a consequences of the overuse of what? Answer: groundwater
[A]:
Ground subsidence is a consequences of groundwater overuse.