B 0.29 I’m sorry if that’s not the answer
It would be that they are made from cooling of lava or magma because they form from magma underground unlike sedimentary rocks
Answer:Covalent bonds link carbon atoms together in long chains that form the skeletal framework for organic molecules. These carbon skeletons may vary in: ... Compounds with the same molecular formula but with different structures and hence different properties. Isomers are a source of variation among organic molecules.
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