Explain what you can tell just by comparing the symbols in the picture graph

Picture graphs usually show amounts using...pictures! So if you looked at the symbols, you can likely guess the amounts. It might show how many students preferred hamburgers by using a hamburger to represent every 5 students. Just by quickly glancing at a picture graph, you can usually tell which result is the greatest.

Aand b are correctly balanced reactions. they have the same number of atoms in both sides of the reaction