The statement that is not true about organic molecules is that organic molecules make up most non-living things (option C).
Organic molecules are generally any chemical compounds that contain carbon-hydrogen or carbon-carbon bonds in their molecule.
Organic compounds can be formed because of the ability of carbon to catenate i.e. form carbon to carbon bonds.
Organic molecules are mostly found in living organisms and they are made up of carbon building blocks that possess four valence electrons.
Therefore, the statement that is not true about organic molecules is that organic molecules make up most non - living things.
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