Organisms. Every living thing is an organism and without living organisms, we as a population wouldn’t be able to create a sustainable living environment.:)
Answer:
When atoms join together to form molecules, they are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons between the atoms. It is only the electrons in the outermost shell that ever get involved in bonding.
Answer: Oxygen and Carbon
Explanation:
Reactivity is the name your looking for I believe.