Heat is generated by a process called oxidation, but I don't know what you are trying to ask!
I would most likely choose a bar graph, because each bar would belong to it's own career, and it would give a good overall visual of how the career interests compare.
Answer:
1 work shop 2 alone 3 a one time thing
Explanation:
Answer: Think about the question from your own life - which of these types of non-fiction resources do YOU use most often? Why is it useful to you? What makes you choose to use that type instead of one of the others?
Explanation: Answering those questions should give you your response, and then you'll just need to edit your grammar, spelling, capitalization, and punctuation.