GUYS HELPP! GIVE ME SOME IDEA OF HOW THE GREEKS REALIZE THAT THE EARTH IS SPHERICAL UNTIL GREEK CREATE THE MODEL OF THE UNIVERSE?

Altocumulus, altostratus, cirrocumuls, cirrostratus, cirrus, cumulonimbus, cumulus, nimbostratus, stratocumulus, stratus 8.) clouds with tallest vertical development 9.) low altitude clouds in solid layers that produce rain 10.) high altitude thin flat layers of clouds 11.) rain clouds that form under stable atmospheric conditions 12.) middle altitude clouds with globular appearance