Ap Biology Multiple Choice question plz help :)?

Question

If Earth's axis of rotation suddenly became perpendicular to the plan of its orbit, the most predictable effect would be?

A. no more night and day

B. a big change in the lenght of the year

C. cooling of the equator

D. a loss of seasonal variation at high latitude

E. the elimination of ocean currents

Answer 1

D because we wouldn't change the tilt to have different seasons

and this is earth science not biology, silly!