Answer:
A.
4Fe + 3O2 2Fe2O3 .........................
22. it is because their is only 1 rope on the left side A.
21. is because the water is raised higher as the sticks are doubled in height.
<em>Hi, here are the ways social media platform are abused:</em>
- Sends you unwanted, explicit pictures and demands you send some in return.
- Pressures you to send explicit videos.
<em>Hope this helps! Please correct me if I am wrong.</em>
