Answer:
If you are asking what they mean,and what the difference is, here is what i found.
Explanation:
An epidemic disease is one “affecting many persons at the same time, and spreading from person to person in a locality where the disease is not permanently prevalent.” While a Pandemic is an epidemic that has spread over a large area, that is, it’s “prevalent throughout an entire country, continent, or the whole world.” Hope this makes sense!
The Colorado River runs through the grand canyon.
I dont know lol I think vast weather changes such as global warming may cause extinction to species or adaptation to heat. But it depends solely on the lifeform