Please help me from english

Based on the information in the passage, what conclusion can the reader make?

Which evidence supports the inference that nora is afraid of what torvald will say if krogstad tells him about her forgery? do it for my sake—for your own sake—for the children's sake." "you don't know what that letter can bring upon us." "yes, it's too late." "you will never have to do that."

Based on his npr interview,"astrophysicist chroniclesbattle over pluto," why does dr. tyson believe that pluto is america's favorite planet?