Answer:
a the graph of a function I hope it will help you please follow me
Hello!
If you look at a zipper, you'll see that it doesn't have a wheel or an axle. A zipper links the <span>protruding teeth that the zip contains. Your answer would be B!
You can feel free to let me know if you have any questions regarding this!
Thanks!
- TetraFish</span>
Skin Pigmentation is how frogs camouflage themselves in nature