Rarest And Most Valuable Opals In The World Opal is composed of small beads of silica â alpha-cristobalite â low temperature, but tightly closed in a waterproof casing. Between these âbeadsâ have cavities that contain a small amount of water.
The presence or absence of carbon is what differentiates organic nutrients from inorganic nutrients. Carbohydrates, lipids, proteins and vitamins have carbon in their structure, making them organic. Water and minerals do not, so they are inorganic. Nutrition 101: Science of Nutrition / Science Courses.
inorganic mineral nutrients (N,P,K,etc) water, air, and appropriate pH, and low salinity. made from detritus through the action of decomposers and detritivores. partially digested detritus that has been processed by organisms. found toward the bottom of the o and mixed throughout topsoil. holds water well.