About how much of the United States' electricity is produced by nuclear reactors?

19% total electrical output

Explanation:

20%

Did you know that 20% of America's electricity comes from nuclear power? That's an incredible stat given the fact that there are just 94 nuclear reactors operating in the United States

Explanation:

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.