instruction:
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:
Question: What should you learn that allows you to recognize and avoid the dangers of specific hazards when experimenting, such as flames or broken glass? Answer: lab safety symbols
answer:
Lab safety symbols warn of specific hazards, such as flames or broken glass. Knowing the symbols allows you to recognize and avoid the dangers.

question:
Question: What is usually necessary to develop cancer? Answer: multiple genes mutations
answer:
Usually mutations in multiple genes are necessary to develop cancer.

question:
Question: What is made up of the pinna, ear canal, and eardrum? Answer: the outer ear
answer:
The outer ear includes the pinna, ear canal, and eardrum. These structures gather sound waves, funnel them into the ear, and pass the vibrations to the middle ear.