Plutonium Appearance & Characteristics. Radioactive and toxic. Plutonium is a silvery radioactive metal that tarnishes in air to give a yellow oxide coating. It has six allotropic forms, which vary widely in crystal structure and density. The metal is chemically reactive, forming compounds with the halogens, carbon, nitrogen, and silicon.
Rickets is a condition that affects bone development in children. It causes the bones to become soft and can lead to bone deformities. It is often characterised by an appearance of bowed legs. In adults, it is known as osteomalacia or soft bones.
rickets leads to poor functioning of a bone s growth plate growing edge softened and weakened bones stunted growth and in severe cases skeletal deformities vitamin d helps your body absorb calcium and phosphate from your intestines