Select all of the correct answers: au is:
varies dependant upon the time of year
used primary to measure things within the solar system
a measurement of distance
the distance from the center of the sun to the center of the earth
is the distance from the earth to the moon

used primary to measure things within the solar system

a measurement of distance

the distance from the center of the Sun to the center of the Earth

Explanation:

Astronomical unit ( AU )

The value of 1 astronomical unit ( AU ) = 92,955,807 miles or 149,597,871 km , which is equivalent to about 150 million kilometres  . it is the average distance between the sun and the earth .

It is used as a measurement unit , for the solar system , the AU , measures the distance , hence its units are miles , km etc .

the mediterranean sea