The primary cause of Earth's seasons is:

A. Varying orbital speed.
B. Tilt of Earth's rotation axis, which causes sun angles and daylight length to vary.
C. Varying distance from the Sun, which changes how much radiation Earth receives from the Sun.
D. Changes in atmospheric thickness.
E. Regular changes in radiation emitted by the Sun.



Answer :

Final answer:

The primary cause of Earth's seasons is the tilt of Earth's rotation axis, resulting in varying sun angles and daylight lengths throughout the year.


Explanation:

Seasons

  • The primary cause of Earth's seasons is the tilt of Earth's rotation axis, which leads to varying sun angles and daylight lengths throughout the year.
  • The tilt of Earth's axis at 23.5 degrees is responsible for the different seasons experienced in the Northern and Southern Hemispheres.
  • The distribution of sunlight on the tilted Earth due to its rotation and orbit around the Sun creates the seasonal changes we observe.

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