chemicals

"The prisoners were kept in a secure compound. "

"The addictive is a serious problem for many teenagers. "

"The science teacher conducted an experiment to demonstrate how plants grow in different types of soil. "

"The flowers were artificial, and he thought them rather tacky."

"My grandfather used to keep a pack of cigarettes in his shirt pocket. "

"During the centuries, the people of Ireland struggled constantly to assert their right to govern themselves."

"The gardener involved the climbing roses around the arbor. "

"The specific of her success was her dedication to studying. "

"The teacher's lesson plan was together, covering all the key concepts logically. "

"He released his grasp on the lever."

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

"With two children and an ailing mother, she had three dependents in all."