Physics
Stars appears to move from east to west because

The earth rotates from west to east
All stars move from east to west
The earth rotates from east to west
The background of the stars moves from west to east

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Physics
Solar eclipse will take place when

the earth is between the moon and the sun
the moon does not lie on the line joining the sun and the earth
the moon is between the sun and the earth
the sun is between the moon and the earth

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