bitumen

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

"I will purchase the vacation package if you will include car rental."

"The freshly made yogurt had a pleasant, slightly wobbly semisolid that I enjoyed. "

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

"The volatile quickly evaporated from the science experiment. "

"The new road is much smoother than the old one, making the drive more comfortable. "

"The weather was extremely hot today; we stayed inside all afternoon. "

"After the heavy rain, the road was filled with potholes that made driving difficult. "

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

"Variety is the spice of life."

"Construction is underway on the new bridge."

"Tomorrow is my sister's birthday. "