Sweet gums are so called because they exude a fragrant yellow resinous gum.. The tree is known by a wide variety of names, among them alligator-tree and alligator wood (probably a reference to the warty knobs on the tree's bark), incense tree and liquidambar.
What is asbestos? Asbestos is the name given to a group of naturally occurring fibrous minerals that are resistant to heat and corrosion. Because of these properties, asbestos has been used in commercial products such as insulation and fireproofing materials, automotive brakes, and wallboard materials.
1 Arsenic is an element and is a naturally occurring mineral found widely in the environment. 2  Arsenic exists in four common valence states. 3  Arsenic is widely used commercially, a fact that increases the risk of overexposure.rsenic is an element and a naturally occurring mineral found widely in the environment. Arsenic mineral ores, orpiment (left) and realgar (right). Environmental sources of arsenic exposure are. Because it is an element, arsenic persists in the environment and does not deteriorate. 1  food, 2  water,