Answer:
Uranus
Explanation: I just did the test and I got it wrong and it said Uranus was the correct answer.
False
They had been used before that. they were simply intergrated to the computer programming system after along period. the power symbol was developed in ww2.
Answer:
William C. Nell was an African American civic activist, abolitionist, and historian. He was also a founding member of the New England Freedom Association in 1842, a black Boston organization that assisted fugitive slaves in their efforts to gain freedom.
