Question

What is the primary cause of Earth's seasons?

1) The orbit of Earth is an ellipse, so Earth is not always the same distance from the Sun.
2) Earth's precession axis precesses (wobbles).
3) Earth's rotation axis tilts with respect to the plane of its orbit around the Sun.
4) In accord with Kepler's Second Law, Earth moves faster during parts of its orbit around the Sun and more slowly during other parts.

Answer 1

The primary cause of Earth's seasons is the 23.5° tilt of Earth's axis with respect to the plane of its orbit around the Sun. option 1 is correct

Step-by-step explanation:

The primary cause of Earth's seasons is the 23.5° tilt of Earth's axis with respect to the plane of its orbit around the Sun. This tilt causes different parts of Earth to receive different amounts of sunlight throughout the year, resulting in the changing seasons.

In June, the Northern Hemisphere leans into the Sun and is more directly illuminated, which leads to summer. In December, the situation is reversed, with the Southern Hemisphere leaning into the Sun and the Northern Hemisphere leaning away, resulting in winter. option 1 is correct