Think of tap water and how all those materials get in it like Fluoride
Less people would buy and the economy's health would go down.
I think the cell’s can become cancer cells but I’m sorry if it isn’t correct...
Answer:
mutualism
Explanation:
It's a symbiotic relationship beneficial to both symbionts.
in this case E. Coli helps with the absorption of Vitamin K and other important vitamins for the human body in the colon. While, Human (host) provides shelter for it
