why must the bonds of these molecules be broken before anything else happens
Explanation:
yan po
The atoms should onky have same no. of protons+electrons.
Not sure but I think motor systems?
-Wulf
Answer:
A biotic factor is a living organism that shapes its environment. In a freshwater ecosystem, examples might include aquatic plants, fish, amphibians, and algae. Biotic and abiotic factors work together to create a unique ecosystem.