

MCQOPTIONS
Saved Bookmarks
1. |
Pluto was classified as a dwarf planet because: |
A. | its gravity does not exert a pressure on its surface |
B. | it did not orbit the sun and have a moon |
C. | it has not cleared the path of its orbit |
D. | it was discovered only a century ago |
Answer» D. it was discovered only a century ago | |