Why is Earth unevenly heated?
A. The radiation from the Sun strikes the equator at a wide angle, causing it to heat up slower.
B. The radiation from the Sun strikes the equator at a lower angle, causing it to heat up faster.
C. The Earth comes closer to the Sun during Summer, therefore it is warmer.
D. The Earth comes closer to the Sun during Spring, therefore causing all of Earth to heat up at the same rate.