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3. What do comets, asteroids and meteors all have in
common?
They all are made of ice.
b. They all hit Earth's surface.
They all orbit the sun.
d. They have nothing in common.
C.
4. What is the annual light phenomena characterized by
many meteors appearing in the sky in a short period
of time?
a. meteor
c. meteoroid
b. meteorite
d. meteor shower
5. Which of the following best describes a comet?
a. Comets are called minor planets and planetoids.
b. Comets are composed of silicates and metals.
c. Comets are icy objects that contain elements
Sodium or Argon.
d. Comets are near earth objects that revolve around
the earth.
6. Where does the Main Asteroid Belt located?
a. between the orbit of Mars and Jupiter
b. between the orbit of Venus and Mars
c. near the orbit of the earth
d. near the sun
7.
is mostly made up of iron and nickel.
a. Asteroid b. Comet c. Meteor d. Meteoroi
8. Which of the following best explains meteor shower?
a. collisions of asteroids with each other
b. impacts of meteoroids with the moon
c. interstellar space
d. more meteoroids burn up in the Earth's
atmosphere as Earth passes the orbit of the
parent comet or asteroid
9. Why do comets like Halley's reappear every 76
years?
a. because of its composition that burns up easily
b. because of its limited number
c. because of its orbital period
d. because of its size​

Sagot :

a

b

c

d

d

d

c

Explanation:

sana makatulong to

Answer:

3.D.

4.A.

5.A.

6.D.

7.D.

8.B

9C

Explanation:

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