In order to answer this question, we should know what a pandemic means: it means a global epidemic.
A lot of epidemics are very local, for example Malaria is limited to places where mosquitoes are very active.
HIV/AIDS can be found in all parts of the world, so that makes it a pandemic - it goes everywhere humans go, because it can survive in all conditions where humans live
A. Bronchi and bronchioles
1) C
2)C
3)B
5)C
9)B
sorry I wasn't able to answer all of your quesitons
