Answer: it affects the discovery of a vaccine for It because it is observed then a question is asked, then they try making a cure, and then they try it out, and if it doesn’t work then they record data and do it again, then they share their findings.
I tried my best.... sorry if I got nothing right. Also I’m not in High School
Explanation:
I think it would either be A or D! Hope this helps.
She is very helpful in many ways I think