learn atom, molecule and soil

tO dAy i LeArN AbOuT ATOM... actually atom is a thing that cannot be destroyed.. example hidrogen, that it has one ONLY.. H.... after that mOlEcUlE, actually molecule is a substance that has more than one substance.. example, carbon dioxide, CO2, on the other hand, during presentation, that present the history of atom that remind me to that topic, such as john dalton that was find the atom that cannot be destroyed. after that the soil that have add something new in my knowledge. the new knowledge is the 'horizon' of soil that have 5 horizon, first the o horizon, second A horizon, Third B horizon, C horizon, lastly R horizon..overall it's really good for my new information