The correct answer should be: Bromide
I think its D because it requires more force to push something over a greater distance...but i could be wrong...
Hope this helps! Please correct me if I'm wrong :)
Answer:
chitin
Explanation:
chitin is a complex carbohydrates, similar to cellulose, that makes up organic structure, such as the cell walls of fungi and exoskeletons of insects and other arthropods.
There is the digestive system is used to help you digest food.
The respiratory system that lets us use and brain oxygen.
Lastly, the circulatory system which allows our bodies to have flowing blood.