The earth revolves around the sun at an intersection angle of 23 degrees and 26 minutes, so the direct point of the sun will move in the Tropic of Cancer and Tropic of Capricorn, forming four seasons.
Geographically speaking, in the northern hemisphere, March-May is spring, and June-August is summer.
September-1 1 is autumn and 12-2 is winter.
Natural selection, survival of the fittest
I heard that there was a news that caused a strong response in the provincial capital. It's about the recruitment of sales sta