A.Because the moon's composition is different from Earth's composition.B.Because the m
A、Becausethemoon'scompositionisdifferentfromEarth'scomposition.
B、Becausethemoonhasalmostnoiron.
C、BecausethemoonandtheEarthareofsimilarcomposition.
D、BecausetheEarth'sgravitationalforceisnetstrongenough.
发布时间:2024-06-25 10:32:49