Author Question: Eratosthenes first learned about the position of the Sun in mid-summer by A) consulting library ... (Read 48 times)

drink · **on:** Jul 29, 2018

Eratosthenes first learned about the position of the Sun in mid-summer by

A) consulting library information.
B) setting up a stick at Syene.
C) setting up a stick at Alexandria.
D) setting up sticks at both Syene and Alexandria.
E) none of the above

Question 2

When the Sun shines on the Moon, the Moon casts a shadow

A) at all times.
B) that is tapered.
C) that sometimes falls on Earth.
D) all of the above