I think it could be d if its not im sorry!
Correct Answers:
confirmed that the earth revolves around the sun
created a powerful telescope
discovered moons orbiting Jupiter
Hope this helps! :)
It helped increase the population of the US
Answer:
There are currently 538 electors, and an absolute majority of electoral votes, 270 or more, is required to win the election.
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The correct answer is either A. OR D.