I truly hope you can help me with this =(

Recently I have come across one article which I assume you can find helpful. Someone will take a steaming dump all over it, however it clarified some of my questions.
https://bbrilliance.org/blogs/help-me-write-a-college-powerpoint-presentation-population-growth-single-spaced-
https://ywdi.de/blogs/best-websites-to-purchase-an-powerpoint-presentation-nuclear-security-120-pages-
https://statuscolect.md/blogs/best-website-to-order-a-powerpoint-presentation-philology-a4-britisheuropean-16-