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: Magnetite crystals of different ages and on different continents pointed to different spots. the simplest explanation is that the continents have done what? Answer: moved

Answer: Magnetite crystals of different ages and on different continents pointed to different spots. The simplest explanation is that the continents have moved.

Question: Question: What element chemically weathers rock by combining with a metal? Answer: oxygen

Answer: Oxygen chemically weathers rock by combining with a metal.

Question: Question: What force holds together both types of star clusters? Answer: gravity

Answer:
Star clusters are small groups of stars. A star cluster is smaller than a galaxy. There are two main types, open clusters and globular clusters. Both types are held together by gravity.