Agriculture is a big part of people's lives. If you can't harvest food because it's either too hot or too cold that's definitely gonna be a problem. Geography helps people understand why certain things like earthquakes, tornados, etc. happen in deifferent places.
Answer:
It is very important because cells get old and need to be replaced.
They engaged in an 8-year war, in which iraq invaded iran september 22 1980. hope this helps, but its not a biology question its a history question :D
D hope this helps sorry if I'm wrong