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.
Inorganic nutrients that facilitate growth and development in organisms include phosphorous, calcium, nitrogen, iron and fluorine. There are many different kinds of inorganic nutrients, and they are all characterized by their lack of carbon-to-carbon bonds.
A nutrient is a substance in food that the body needs in order to work properly. Nutrients refer to the substances that are metabolized by the  animals to build energy and pr â¦ ovide energy. A nutrient refers to any substance that can be metabolized by the  human bodies to build tissue and give energy. nutrient is a substance in food that the body needs in order to work properly. Nutrients refer to the substances that are metabolized by the  animals to build energy and pr â¦ ovide energy. A nutrient refers to any substance that can be metabolized by the  human bodies to build tissue and give energy.