Question

1. Choose the best answers
Which one of the following statement is correct about the astronomical unit?
a. It is the mean distance between the centre of the sun to the centre of the Earth
b. It is the mean distance between centre of the Earth to the centre of the Moon
It is the mean distance between centre to the Earth to the centre of the Mars
d. It is the mean distance between the centre of the Earth to the centre of the Jupiter​

Answer 1

Answer:

a

Explanation:

the mean distance from the centre of the earth to the centre of the sun.