Human resource Homework

A1- What is the difference between recruitment and selection? why is it necessary to recruit? And lastly, how do we start recruiting? Explain your answer thoroughly please.

A2 -Is internship really something beneficial for students and/or companies? Explain how?

B1- What is the most important condition(s) for a tool to be used in our selection process? And how do we start confirming those conditions in the tool (meaning, how do we make sure that these tools have those requirements)? Explain your answer thoroughly please.

B2- Explain to me how to properly conduct an interview?