This is a Physics and Chemistry Reviewer SHS file. This is a public document and available for everyone.
Anyway, you are free to download this reviewer and keep it personally. However, Physics and Chemistry Reviewer SHS does not guarantee a 100 percent passing rate your incoming exam or quiz. You need to find more guides and review notes to increase your chance in getting high grades
Indeed, you effort in reviewing matters. It is not just the reviewers you have in hand.
Search for more on Google. Good luck and claim the success.