1. What will happen if we are going to zip up the zipper, are all teeth aligned and attached?
2. What will happen if we are going to unzip the zipper??
3. How many parts will be formed after unzipping the zipper?
![1 What Will Happen If We Are Going To Zip Up The Zipper Are All Teeth Aligned And Attached2 What Will Happen If We Are Going To Unzip The Zipper 3 How Many Part class=](https://ph-static.z-dn.net/files/d66/aa46d9c8db40e6606e8015884888dc39.jpg)