<span>They exhibit all the stages when its the presence of oxygen only.</span>
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Answer:
B
Explanation:
Organic chemistry is defined as the study of carbon compounds.
Organic compounds were first thought to be compounds that could only be produced by living organisms. This theory was disproved when scientists synthetically made urea from ammonia in a lab.
Organic compounds are now known as compounds where carbon atoms are covalently bonded to other elements. This could be hydrogen or oxygen (in the case of lipids or carbohydrates) or nitrogen (in the case of amino acids).
Families I think
Because usually when a organism is a a similar type of species the scientific names have some type of similar root. So that crosses out everything else so that’s the only option available
