I would say the best answer is B. Asking the learner to begin working on a problem.
Answer:
4!
Explanation:
2 + 2 = 4
if u didnt know now you know! :)
It is normally 100-120 so it is the first option. I hope this helps you.
Well a known fact is that they had did an experiment didn't turn out great and no it didn't grow back unfortunately