Answer:
B. Lowell's study of mars eventually led to the discovery of pluto, which was later downgraded to a dwarf planet.
Explanation:
C. he doesn't want to work as a lab tech and was forced by his parents so he chose that for the wrong reason
The correct answer is 'their'
Answer:
Hrothgar believes victory should be displayed so the strength of a people can be acknowledged.
Explanation: