The career clusters can be defined asa. all the jobs a person has in their working life. b.groupings of occupations and broad industries based on commonalities.
c. all the tasks a worker has at a single job. d.all the undergraduate majors at a typical university.

The correct answer to this question is letter "b.groupings of occupations and broad industries based on commonalities." The career clusters can be defined as groupings of occupations and broad industries based on commonalities. Hope this helps answer your question.

False it it a lot 

It is meant that like tapestry scientific theories often need to pull out since they are not relevant and often times the whole chain of theories may be pulled out.