Carbon Dating, carbon dating is a from of dating in which you take the Fossil or bones of a animals and date it based on it's carbon decay.
This is a really good speech! Just try not to say "to this very day" and "today" so often.
Answer:
D "Hydroelectric plants are more efficient at providing for peak power demands during short periods than are fossil fuel and nuclear power plants."
Explanation:
The sentence that describes a way hydroelectric plants are better than other power plants is option D.
This is because, it details why hydroelectric plants are more efficient at providing peak power demands during shorter periods than fossil fuels and nuclear power plants.