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.
an inorganic nutrient (lacks carbon) that helps to regulate many chemical reactions in your body. They build cells, send nerve impulses throughout your body, and carry oxygen to body cells. next to oxygen, it is the most important factor for survival.