Question

which seasons we observe?​

Answer 1

Answer:

The four seasons — winter, spring, summer, autumn — can vary significantly in characteristics, and can prompt changes in the world around them.

Explanation:

A season is a period of the year that is distinguished by special climate conditions. The four seasons—spring, summer, fall, and winter—follow one another regularly. Each has its own light, temperature, and weather patterns that repeat yearly. In the Northern Hemisphere, winter generally begins on December 21 or 22.