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: The shield type of what phenomenon commonly forms above hotspots in the oceans? Answer: volcano
Shield volcanoes commonly form above hotspots in the oceans.

Question: A can of warm soda will fizz more because increasing the temperature decreases the what of a gas? Answer: solubility
A: A can of warm soda will fizz more because increasing the temperature decreases the solubility of a gas. Therefore, less carbon dioxide can remain dissolved in warm soda than in cold soda.

Question: What is a renewable resource that can take thousand of years to form? Answer: soil
Soil is a renewable resource, but it can take thousands of years to form. That's why people need to do what they can to prevent soil erosion.