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: What type of intense storm is a system of winds that rotate around a low pressure center, resulting in swirling air that rises and cools to create clouds and precipitation? Answer: cyclone

A: Cyclones can be the most intense storms on Earth. A cyclone is a system of winds that rotate around a low pressure center. The swirling air rises and cools. This creates clouds and precipitation.
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Q: Question: What element chemically weathers rock by combining with a metal? Answer: oxygen

A: Oxygen chemically weathers rock by combining with a metal.
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Q: Question: What supports most of earth's ecosystems? Answer: sun

A:
The Sun supports most of Earth's ecosystems. Plants create chemical energy from abiotic factors that include solar energy. The food energy created by producers is passed through the food chain.
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