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A meteor is

  • A.Comet without a tail
  • B.Detached piece of an asteroid
  • C.Tiny star
  • D.Piece of matter which has entered the earth's atmosphere from outer space

Answer: D

A meteor is the streak of light seen when a piece of matter from outer space enters the earth's atmosphere and burns by friction; it is popularly called a shooting star. A comet without a tail, a detached piece of an asteroid and a tiny star are not what a meteor is. If the piece reaches the ground it is called a meteorite. So the last option, matter that has entered the atmosphere from outer space, is correct. Most meteors burn up high in the air, and only the larger ones survive to land as meteorites.

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