It's called a nutrient.
Nutrients are well, something that all humans need to survive. A certain amount of nutrients keep humans alive and healthy, yet a lack of nutrients will cause them to become sick and slowly die.
Thus, making it so nutrients is a chemical substance that organisms require to live.
Hope this helps!
protein is a fuel your body uses for energy this is why fitness people drink and eat high amounts of it as it fules the body
Answer: I believe it was the Cenozoic period
Explanation:
