Answer:
the study of the structure, reaction, and composition of different kinds of substances
Explanation:
You may fall and get hurt can be too the weight of the backpack
Face Masks for dark spots , helps you get rid of them ..but there isn't anything to reduce the spots , but they appear because of oily skin
Answer: an organ that secrets chemical substances
Explanation: got correct on edge2020
Are there answers from what I can pick from..?