Question

Who discovered Earth??

please give answer fast...its urgent​

Answer 1

Answer:

please following me friends

Explanation:

options please

Answer 2

Answer:

god o:-) maybe the answer is not correct but expression

Explanation:

Eratosthenes then measured the angle of a shadow cast by a stick at noon on the summer solstice in Alexandria, and found it made an angle of about 7.2 degrees, or about 1/50 of a complete circle. He realized that if he knew the distance from Alexandria to Syene, he could easily calculate the circumference of the earth