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Rotation of earth causes____?
(A) Winter season
(B) Autumn season
(C) Day and night
(D) None of these

Answer
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Hint: The Earth on its axis causes day as well as night. As the Earth rotates, only one-half of the Earth faces the sun at the given time. The half facing the sun is light (day) while the other half facing away from the sun is considered dark (night).

Complete answer:
The Earth rotates in counterclockwise; this is the reason why the Sun “rises" in the East and then “sets" in the West direction. Basically it is not the Sun’s movement which causes days, but rather its the Earth that is turning around in front of the Sun. Earth's very graceful 24-hour rotation rate is one of the traits which makes our planet so friendly to live life, and allows most parts of Earth to stay at nice, comfortable temperatures as they are bathed in sunlight during the day and darkness at night.
The Earth rotates from the west towards east. This rotation causes both the wind and ocean currents to move from east to west. Thus, the wind movement and ocean current in the northern hemisphere goes clockwise and counterclockwise in the southern hemisphere. If Earth did not rotate on its axis, winds would blow from the north toward the south and from the south toward the north.
Because Earth rotates on its axis from west towards the east, air near the surface from the tropics is moved toward a westerly direction (toward the right as it is often called) in the northern hemisphere.

Note:
The Coriolis Effect is caused by a combination of the inertia of moving air and the rotation of the Earth. The Coriolis Effect determines/predicts the direction of the global atmospheric circulation currents like the westerlies, the polar winds or trade winds The Coriolis Effect also affects the directions of the ocean currents. Both of these have tremendous effects on climate.