When a meteoroid passes through earth's atmosphere, it heats up due to air resistance. The heat causes gases around the meteoroid to glow. most meteoroids that enter earths atmosphere disintegrate before they hit the ground.
Answer:
The key factor in determining the habitable zone of a planet is looking for a Earth-like planet that is able to have water on it's surface, and make sure that it can still give or support life.
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Hello there ^ _ ^
The two functions of cilia in protists are :
1. sweeps food toward the protist's food passageway
2. moves a protist forward by beating back and forth
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