carbohydrates

"He knew something terrible was going to happen."

"Washing your hands often helps to remove harmful microbes and prevent the spread of illness. "

"If the vase falls to the floor, it might break."

"My uncle ran in the city marathon last weekend. "

"The volatile quickly evaporated from the science experiment. "

"My brother is primarily a student; he spends most of his time studying. "

"Good nutrition is important for children to grow strong and healthy. "

"The responsible for the project is Maria. "

"The children were running to catch the school bus. "

"The library offered an extension on the due date for the overdue books. "

"Calling a government "city hall" is using a metonym."

"The paper we use in our science class is made from cellulose. "