Mr. Schweitzer was pulled over on his way to work by an officer claiming she was speeding. The speed limit is 105 km/hr and he had traveled 62 km in 40 minutes. How fast was his average speed in km/hr?

#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.