i think you should do this
Answer: Career
Explanation: A job is only for a certain time. A salary is the money you make during your time at a job. A workforce is an area of work multiple people work in. This leaves the only remaining answer as Career.
I guess i have to fill in space-His sister-Apex
Answer:
<u>a. It should be familiar.</u>
Explanation:
The most importan thing when choosing a topic is for it to be intresting to you, and it helps if it is familiar. Being related to the subject you have chosen, would help in the research because there is some knowledge you already have on it.