Question

how the earth rounds don't gave useless answers ​

Answer 1

Earth is really an "oblate spheroid," because its spin causes it to be squashed at its poles and swollen at the equator.

not to offend you but if u give such useless question where u already have evidence, Then getting useless answers is unstoppable

delete my answer if u want

this is the only answer i can give u

hope u understand  that the earth isn't flat

have a nice day