Terbium is used to dope some types of solid-state devices and, along with zirconium dioxide (ZrO2), as a crystal stabilizer in fuel cells that operate at high temperatures.
I'm assuming you meant "For". Carbon is commonly used in the form of hydrocarbons, such as fossil fuel, methane gas, and crude oil (petroleum). When crude oil is distilled in refineries, it makes...
http is hypertext transfer protocol. it is one of the layer in tcp/ip protocol stack and used most popularly in inernet applictions at user and server agent.
Yeast is used to rise bread, make beer, and is used for anything that needs to be raised or fermented. Yeast feeds on a warm ingredient or sugar that is added to a recipe/food.