The polar caps are melting!

What will happen, if the polar caps melt? Does Marie really have to worry that her nights will be shorter?

Answer:

a) Yes, Marie has to worry about her nights being shorter due to the fact that the earth turns faster because the mass distribution has been changed.

b) Yes, Marie has to worry about her nights being shorter due to the fact that the earth turns faster because the volume of the melted ice is smaller.

c) No, Marie can be happy about longer nights because the melted water has a greater weight.

d) No, Marie can be happy about longer nights due to the fact that the earth turns more slowly because the mass distribution has been changed.