Answers.comÂ® is making the world better one answer at a time. The element that makes the strongest material is carbon, and the material which is made is graphene. Thao Hg.
<br /><br /> Solar power is the cheapest renewable energy source for small-scale use, such as pocket calculators, LED lights, and remote (small) electrical appliances. Hydroelectric power is the cheapest renewable energy source for large-scale production. That is, it has the lowest cost to construct and maintain the generating facilities compared to the amount of energy produced.
A) Wind is the most commonly used renewable energy source in the United States. B) Hydropower uses the kinetic energy of water to generate electricity. C) Wind energy does not use a turbine or a generator to produce electricity. D) Solar energy can only be used on Earth. It can't be used in space.