Why is operating system pivotal In teaching and learning?

you have to email it to yourself from your phone then download it to either google drive or you computer files. then you can go to where ever you saved it and select it and then copy and paste it. or you could attach it to your question when you are writing it which would be much easier. for example: go to the attachment.

answer; (b) agriculture, food, and natural resources;

vergasas negras way yo se porque yo soy el pinguooo de hialeah

c a goverment agency or homeowner