Is the following equation balanced or unbalanced? c + h2 →ch4
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Explain why scientists use shared characteristics to make cladograms.

#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.

Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2