Question

how to people come to an understanding the earth is spherical​

Answer 1

Answer:

Because it is Golaakaar.....

Answer 2

$\huge{\underline{\underline{\bf{\red{Answer}}}}}$

1. Circumnavigation of earth

2. Surface is curved

3. Aerial photographs

4. Horizon is circular

$\huge{\underline{\underline{\bf{\red{Thank\:you}}}}}$