Answer:
B. Lowell's study of mars eventually led to the discovery of pluto, which was later downgraded to a dwarf planet.
Explanation:
A fighter for economic justice because the sentence is listing the different things that he was
The purpose of an adjective clause is using a subject and verb that provide a description of the sentence. Impact allow the reader to understand what is occurring and why it is occurring. Who cause the affects? Or where is it happening? Ect.
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