The seasonal variations experienced on the Earth are due
A) only to its changing distance from the Sun
B) mostly to its axis tilt
C) to small changes in the amount of energy emitted by the Sun
D) to both its axis tilt and its changing distance from the Sun

Question

Quizplus · Accepted Answer

The seasonal variations on Earth are primarily due to its axis tilt. As the Earth orbits the Sun, different parts of the planet receive more or less direct sunlight, leading to changes in temperature and weather patterns. The tilt of Earth's axis (roughly 23.5 degrees) is what causes the seasons, as it determines the angle at which the Sun's light hits different parts of the globe throughout the year. Distance from the Sun does play a role, but it is a much smaller factor in seasonal variations compared to axis tilt.

The Seasonal Variations Experienced on the Earth Are Due