Alcohols are flammable, suggest how the mixture of alcohols should be safely heated so that ethanol can be collected

What are the chemical names of these compounds? ke: mg3n2: reset next

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.

What are fossils of organisms that existed over a wide area but only for a limited time period called?