Acar speeds up as it rolls down a hill this is an axample of

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

#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.