Which two cause-and-effect relationships are based on facts and could be proven?

Yellow fever would end with cold weather.
Diseases always spread faster in the summer.
Yellow fever would continue throughout the winter months.
The Black Death decreased during the winter.
People are always healthier in the winter.

- a government ruled by the people, or assembly. officials monarchy - a single ruler like a king. over time some city-states, like athens would change governments. what this means is that all the citizens voted on all the laws.

back in the area of iowa even though you were found in florida there is a system that they dont want to tell you about where they can go fish for you in other states and bring you back to be tried in front of the crime scene so your location

plz mark brainliest i would appreciate it btw i live in michigan too xd