I understand what water and air are composed of and I more or less understand how fire works. But what is soil? If you put your hands in your garden, you will take out very heterogenous stuff, you will get some twigs and bugs which of course are organic matter, but what’s the general brown stuff? Is it organic? Were does it come from and how is it produced? Also collateral question, if earth is organic matter, when the first living organisms came out of the ocean, which were plants, how did they find nutrients?
In: Planetary Science
soil is a mix of decomposing plants and animal matter, throw in some dust and perhaps clay or sand.
soil you buy in a package from a hardware store has microbes in it which is why you should handle it with gloves and wear a facemask. It may also have chemicals added to it as nutrients to grow plants in, and sometimes water crystals too
Latest Answers