According to Hess’s theory, what might happen if the magma under a mid-ocean ridge cools?

The gas would begin to expand, and eventually the can would burst or explode.

Neither model is able to show the reactivity of potassium.

The correct answer is:   bri hope this answer was ! : )

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).