What is true about these two pictures? PLS HELP ME


Both A and B are molecules.


Both A and B are elements.


A is a compound, but B is an element.


A is an element, but B is a compound.

What is true about these two pictures PLS HELP MEBoth A and B are moleculesBoth A and B are elementsA is a compound but B is an elementA is an element but B is class=