Pretty sure it’s simple but it might be complex, sorry it’s been a while since I learned this
Answer:
It would show that you didn't just read something from one source and believed it. When researching it is good to read around and see different results or if the information may be the close to what you gathered elswhere etc.
Answer:
I believe the answer should be the first option: to guide the research
it point of view i hope it help
Answer:
Wearing a helmet greatly reduces bicycling deaths.
Explanation: