Please help me
I will give you 10 points and don't answer it wrong please
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What did the first language sound like

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers