Mr. Evans rides his bicycle an average speed of 8 km/hr. How far has he traveled if he rides 4 hours?

Which of the following is considered a benefit to using wind energy as a source of power

If you want to create an electrical current, which situation would produce a solution capable of this

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead