That sentence should be put in the conclusion.
Answer:
facts provided by an expert on your topic
Explanation:
facts are concrete evidence
The correct answer is "-ize."
For example, I must "memorize" my vocabulary words before the test (I must "commit to memory" my vocabulary words...). On the other hand, "memorable" means that something is able to remembered, the suffix -al means "pertaining to" (natural--pertaining to nature), and the suffix -ies simply changes certain words to plural meanings (party, parties).
It tells you that being a project manager is a lot of work and can cause stress but amazing things come out of it.