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.

[EX Q]: Question: Alterations that change chromosome structure are known as? Answer: mutations
[EX A]: Chromosomal alterations are mutations that change chromosome structure.

[EX Q]: Question: On which ridge does iceland sit? Answer: mid-atlantic ridge
[EX A]: Most mid-ocean ridges are located deep below the sea. The island of Iceland sits right on the Mid-Atlantic ridge ( Figure below ).

[EX Q]: Question: What type of winds blow over a limited area? Answer: local winds
[EX A]:
Local winds are winds that blow over a limited area. They are influenced by local geography, such as nearness to an ocean. They include land and sea breezes as well as monsoons.