petroleum

"Although he was unused to the situation, he tried to act naturally."

"After the flood, we found strange deposits of dark, shiny rock in our backyard that were not part of the local soil. "

"The liftoff will occur in exactly twelve seconds."

"Burning natural gas, which is mostly made of hydrocarbons, provides heat for many homes. "

"The smooth surface of the kitchen table was perfect for setting the dinner plates. "

"Example Sentence: "The cattle were ranging freely across the open field, looking for grass to eat." "

"A liquid can freeze to become a solid or evaporate into a gas."

"The children mainly pushed their way to the front of the line. "

"The project consists of three main parts. "

"The bakery's machinery worked tirelessly, producing dozens of loaves of bread each morning. "

"The family-owned factory in China handled the export of toys to many countries. "

"Gasoline is a flammable. "