If the question is identify the sentence without an error then the answer is D- Henrietta is smarter than her.
Answer:
The third option. My father, a huge baseball fan, taught me to throw when I was three,
Explanation:
It is correct because it renames the noun (my father) next to it.
Definitely not B or D. A is out of the question too, so I think it's C
(1) Control rods of the nuclear reactor are important in controlling the fission rate of plutonium and uranium during the reaction.
(2) Containment structure is a protection for those working near the reactor in order to lessen the radiation exposure.
(3) Moderator is used to moderate the extent of the reaction
