Select all that are reasons the Greeks believed the Earth to be round.

Multiple select question.

A) The shape of Earth's shadow on the Moon is spherical

B) Earth is perfect, and so is a sphere.

C) The best wine-making grapes are round.

D) The position of the North Star above the horizon changes as you move north or south.

E) Ships slowly disappear as they sail toward the horizon.

Answer: ABDE