How to delete a previous action?

Hello my name is mihai and i need your : )i have to do a python project in computer science and i’m really busy with my mocks this period of time besides this i’m not good at coding so could someone pls pls pls sort me out ? i actually beg ; ))

Exchanging which type of data uses the least bandwidth? music photographs video voice bandwidth- the amount of data that can be moved between two points in a set time period

After you present a proposal, the committee starts asking you questions, some beyond the strict focus of your proposal. they ask questions about implications in other fields and knowledge about other fields. you are asked to redo your proposal. what is most likely missing? breadth of material depth of material clarity of material details of material