Which of the following developments after the Civil War helped protect the form of American identity that Charles Francis Adams supports in The Protection of the Ballot"? A. The passage of the Fifteenth Amendment B. The electoral success of the Radical Republicans
C. The failure of the women's suffrage movement
D. The elimination of the black codes SUBMIT

isaac newton first proposed that earth was not perfectly round. instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator.

the idea of the earth being a flat disc is also inconsistent with the fact that a given lunar eclipse is only visible from half of the earth at a time. the only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient greeks deduced that this must mean the earth is spherical.

d

explanation:

he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

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a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.