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.

Input: Consider Input: Question: What mainly gives the body energy? Answer: food

Output: Food gives the body energy. You need energy for everything you do. The energy in food is measured in a unit called the Calorie.

Input: Consider Input: Question: What collect data on the land and sea in regards to the weather? Answer: weather stations

Output: Weather stations collect data on land and sea. Weather balloons, satellites, and radar collect data in the atmosphere.

Input: Consider Input: Question: What is the force of attraction between two masses? Answer: gravity
Output: Gravity is traditionally defined as a force of attraction between two masses. Weight measures the force of gravity and is expressed in newtons (N).