Answer:
Reactants: glucose oxygen and ADP
Products: Water, CO2 (carbon dioxide), and ATP
True. The crust of the Earth has some permanent magnetization, and the Earth's core generates its own magnetic field, sustaining the main part of the field we measure at the surface. So we could say that the Earth is, therefore, a "magnet."
Usually under ground springs, or sometimes hollowed earth beneath solid earth where the water pools.