Exam (elaborations)
ESCI 1006 || A+ Graded Already.
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Q1: In calculating the size of Earth, Eratosthenes used assumption or knowledge that: Select one: a. Earth is a sphere b. Sun is far away, so that sun rays reach Earth in parallel c. Sun shone directly above a deep well d. Sun cast a slight shadow at some distance from the deep well e. All ...
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