What does the presence of earthquakes tell you about plate tectonics in that area​

What will most likely happen when two bromine atoms bond together?

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

#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.