Earth is in constant motion. One such motion is called (1)_______. Rotation is the movement of objects on its(2)_______ Earth spins on its axis. As Earth on its axis from west to east, different parts of it face and turn away from the sun, creating a period of(3)_______ and (4)_______. It takes 365 % days of Earth to complete one (5)________. As the Earth(6)_______ around the sun, the earth 's axis is always As a result, different parts of the tilted in the same direction through its(7)_________ Earth receive different amount of(8)_________movement of the Earth causes the four (9)__________a spring. so in some countries, this - summer, autumn, winter, and spring
