oxides

"The prisoners were kept in a secure compound. "

"The rust on my bicycle chain made cycling to work very dangerous."

"Sad reacts only"

"Letters are the elements of written language."

"Do you want to come with?"

"We need oxygen to breathe. "

"The art class explored different geometric forms. "

"Rust is an iron oxide. "

"The computer program uses a binary system, where each file is either "open" or "closed." "

"The scientist studied the chemical composition of the soil sample. "

"By the action of electricity, the water was resolved into its two parts, oxygen and hydrogen."

"There is one sterling and here is another"