i need help is astronomy please!?

S

scorpio

New member
the phases of the moon are caused by
a)moons varying distance form the earth
b)earths revolution around the sun
c)moons revolution around the earth
d)suns varying distance from the moon

the geocentric model of the solar system does not explain
a)foucaults pendulum
b)star trails
c)planetary motions
d)day and night

the day of the year,as units of time, are based upon motions of
a)the earth
b)the moon
c)the sun
d)the stars
 
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