Which of the following statements best describes how Earth's movement and tilt affects its periods of daylight and seasons?

a
Earth's rotation and its tilt produce unequal periods of daylight and climate patterns called seasons.
b
Earth's revolution and its tilt produce unequal periods of daylight and climate patterns called seasons.
c
Earth's rotation produces unequal periods of daylight and climate patterns called seasons.
d
Earth's tilt produces unequal periods of daylight and climate patterns called seasons.