By the heat of the enegry
Answer:
amino acids
Explanation:
proteins are organic matter molecules that perform multitude of function in the body
In this scenario, E.coli is living in our intestines, which means we are providing them with a place to live and nutrients to survive. It is also stated that they help us break down some foods.
so as you can see, we benefit them, and they benefit us.
Based on this, after defining all of your options, you will find your answer.
