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.
Biomass energy is very advantageous because it can be produced from a total natural process and source and is therefore regarded as a âgreenâ, and climate-friendly form of energy making biomass energy a renewable energy resource compared to fossil fuels. There are a lot of ways that energy can be made.