Depending on what kind of sentence it is .
I don't think we should becuase our countrydoes not have enough money to afford multiple nuclear reactors and also the chances of a meltdown are highher then you think, also places like chernobyl still have high traces of radiation so if htere is one it could be centuries until its actually safe to be around that area again
The second sentence:Do you want the leftover spaghetti for dinner?
Answer:
President
Explanation:
Here, George Washington is referred to as the first president of the United States—that is, the first in a number of presidents of the United States. Thus, in that example, president is a common noun.