11. The diagram below indicates the altitude of Polaris as
measured at three locations in the Earth's Northern
Hemisphere,
20
Corsi
What is the best inference to be drawn from these
observations?
(1) the Earth has an elliptical orbit
(2) the Earth rotates 15" per hour
(3) the Earth has a curved surface
(4) the Earth revolves around the sun
Answers: 1
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11. The diagram below indicates the altitude of Polaris as
measured at three locations in the Earth...
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