Why did world war i became the first global war in history?

On a supply and demand graph, equilibrium is the point where the two curves meet. the supply curve begins. the supply curve ends. the demand curve ends.

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.

Aman wearing warm clothes in a cold place would be an example of how humans adapt to their environment. affect their environment. can change their environment. choose where to live.