organisation may obtain information either from an internal or external resource. briefly describe any four source of external informationand any four source internal generated information. Elaborate on the nature of information required at each of the managerial levels​

Why is it a good idea to leave an interview being courteous and polite?

I'm taking a class on how to make a movie, and it offers some apps that would be in the process. the thing is, i don't have any of those ha. if you have any tips on some apps i could use, that would be awesome. i don't have an iphone, so don't suggest any apps like imovie. i know that this is a weird question, but it would be super for me. : )

What does 21 pilots middle aged name as a band 15 years prior to them naming their band 21 pilots?