calderas

"Overhunting can extinct entire species of animals. "

"The new school edifice was a magnificent structure, a testament to the community's investment in education. "

"The school trip to the volcano national park was exciting. "

"She gave a studied reply."

"After the party, only the remnants of the cake were left on the plate. "

"The geologist studied the rocks in the park. "

"karst massives in western Georgia"

"By now, you must surely know which is which."

"She suffered a terrible collapse after slipping on the wet floor."

"The scientist pointed to the large crater in the field, explaining that it was formed by a meteorite impact long ago. "

"The children formed a circle to play duck, duck, goose. "

"The music teacher explained that a "large" is a very long note, longer than a breve. "