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Geography, 24.02.2021 14:00 mariposa91
1. A comet is an icy object in space. Which of the following is the primary chemical
component of a comet?
a Water
b. Nitrogen
c. Methane
d Carbon dioxide
2. A meteorite is a piece of rock that came in space that survives an impact on
earth. Which of the following composes a meteorite?
a. Helium ice
b. Hydrogen ice
c. Heavy elements like silicon
d All of the above
3. Which of the following describes the orbit pattern of comers in the solar system?
a. Circular
b. Elliptical
C. Far from the sun
d. Slightly inclined to the earth's orbit
Which of the following statements describes a meteor shower?
a. Ameteor has a lot of water
b. A meteor hit the earth rapidly
c. The earth orbits a group of meteor
d. The earth passes through a swarm of dust particles in space, the remnants
of comet once a year
5. Why do we need to study comers, meteors, and asteroids?
a. The are beautiful and shiny
b. They recently originate from space
c. They can be use as "anting-anting
d. They represent the materials which formed the planets.
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