How did geography affect early settlement in ohio state?

Which is likely the most serious problem associated with an epidemic? 1. there are sometimes no cures to the diseases that spread. 2. people often die from the diseases that spread. 3. there are usually no ways to prevent people from getting ill. 4. people often don’t know they have a disease.

The system of checks and balances ensures that

What happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;