Caitlyn pushes a desk (which weighs 200N) to the right with a force of
100N. Josh pushes the desk to the left with a force of 80N. Sketch it!

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

#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.

How many moles does 80.0 h2o respresent