Eratosthenes determined the circumstances of earthly conducting

True

Explanation:

Over 1,000 + years ago the Greek geographer Eratosthenes made an amazing accurate measurement of the Earth's circumference. In the great library in Alexandria, he read that a deep vertical well near Syene, in southern Egypt, was entirely lit up by the sun at noon once a year.

This answer helps hopefully! :)

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.