An angle is formed by

In plane geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed by two rays lie in a plane, but this plane does not have to be a Euclidean plane.

Explanation:

answer; /// during daylight hours the sun heats up the ground,and at night the clouds insulate the warmth making it warmer ;

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