Biology I

Biology     There are two important movements that affect the Earth.   EARTH MOVEMENTS:   Translation:   The second important movement that affects the Earth is its revolution around the Sun. One revolution takes 365 ¼ days, or one year. Acting together, these two movements create variations in temperature, weather, and in the seasons.   Rotation: The rotation of the Earth around an invisible axis. It takes the Earth about 24 hours to finish one complete rotation.