A. 28
B. 30
C. 32
D. None of these
Explanation:
From an average distance of 2.8 billion miles (4.5 billion kilometers), Neptune isĀ 30 astronomical unitsĀ away from the Sun.
A. 28
B. 30
C. 32
D. None of these
Explanation:
From an average distance of 2.8 billion miles (4.5 billion kilometers), Neptune isĀ 30 astronomical unitsĀ away from the Sun.