coalfield

"the equatorial regions"

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

"Put some coal on the fire."

"My sister brought several books to the library, and that one is about dinosaurs. "

"The workers mined iron ore from the mountain. "

"The student's power to concentrate helped her finish her homework. "

"The current economic states are causing many people to worry about job security. "

"It is difficult to provide for my family working on minimum wage."

"The box containing my old toys was stored in the attic. "

"The garden had a couple of trees, and a cluster of colourful plants around the border."

"I hope this song can unite people from all different cultures."

"The eastern part of the park has the best views of the sunrise. "