The diagram shows how Earth's axis is tilted at the equinoxes and solstices.
Spring Equinox
Summer
Solstice
Sun
Fall Equinox
Winter
Solstice
*not drawn to scale
What is one reason the Northern Hemisphere is warmer during the summer solstice than the winter solstice?
A. It is closer to the Sun in summer than in winter.
B. It has more cloud cover in summer than in winter.
C. It has fewer hours of daylight in summer than in winter.
D. It receives sunlight at a more direct angle in summer than in winter.