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.
2. The abundance of coal energy is in a large number. 3. It is also easy to burn. 4. Coal energy is a renewable form of energy. 5. Reliability is entailed and presented in this form of energy.6. Aside from its reliability, coal energy is also inexpensive unlike any other sources of energy.7.. The abundance of coal energy is in a large number. 3. It is also easy to burn. 4. Coal energy is a renewable form of energy. 5. Reliability is entailed and presented in this form of energy.