Q: You are presented with the quiz "What change is likely in a hemisphere when it is pointed away from the sun?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight" and "plants use the direct light energy from the sun to grow". So, what's the best answer to the question?

Pick your answer from:
[I] more sunlight per day;
[II] movement of tectonic plates;
[III] exposure to cold;
[IV] Plant growth is reduced;
[V] the moon appears bigger;
[VI] Movement of an air mass;
[VII] solar eclipse;
[VIII] global warming;
A:
[IV]