Crabs are harvested in the warm waters of an estuary where seagulls feed on fish and shrimp. The estuary is best described as these animals'

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.