1 Vitamins and minerals (including antioxidants, such as vitamin A, C, E and selium). 2  Vitamins and minerals are found in all foods, but fruits and vegetables are a particularly good source for some vitamins and minerals.( 3 See below for What vitamins and minerals do.).itamins and minerals are found in most foods, but fruits and vegetables are particularly good sources of many of these valuable compounds.Vitamins and minerals play a vital role in most metabolic processes. Complex interactions make it essential that the status of all vitamins and minerals be kept at optimal levels.
1 Osmium. The densest naturally occurring element on the planet is osmium, a metal in the platinum family with a density of 22.6 grams per cubic centimeter. If that means nothing to you, then youâre normal. By comparison, lead is 11.3 grams per cm cubed.
Sitting on top of the outer core, we find the mantle. This layer is by far the thickest layer of Earth, about 1,800 miles thick! It also makes up about 85% of Earth's volume. Like the core, the mantle contains mostly iron, but in the form of silicate rocks. You might be surprised to learn that this rock actually moves like a fluid, similar to how silly putty moves.