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.
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Question: Question: On which ridge does iceland sit? Answer: mid-atlantic ridge

Answer: Most mid-ocean ridges are located deep below the sea. The island of Iceland sits right on the Mid-Atlantic ridge ( Figure below ).

Question: Question: Chlamydia, gonorrhea, and syphilis are examples of which type of sti? Answer: bacterial

Answer: Bacterial STIs include chlamydia, gonorrhea, and syphilis.

Question: Question: The polymerase chain reaction is a way of making copies of what? Answer: a gene

Answer:
The polymerase chain reaction is a way of making copies of a gene. It uses high temperatures and an enzyme to make new DNA molecules. The process keeps cycling to make many copies of a gene.