Karl landsteiner placed animal blood in human blood and discovered that the blood clumped. which did his creativity lead to?

understanding A, B, AB, and O blood groups

When you live closer to the equator, the climate is warmer than areas closer to the north and south poles. When elevation is higher the atmosphere is thinner and colder. Places near water tend to have more precipitation compared to places like deserts. Because there’s more water that can actually come out of the clouds.

I hope that helps at least a little