stalactite

"My doctor recommended I take a calcium supplement to strengthen my bones. "

"You can create the color orange by mixing yellow and red."

"Icicles hung from the roof of the house after the freezing rain. "

"The contractor will ceiling the new classroom walls with plaster before painting. "

"The geologist found a deposit of gold ore in the mountain, far from the surrounding rock. "

"The lights hung from the ceiling."

"The bird's secondary feathers are essential for its flight. "

"The antacid tablet contained a carbonate to neutralize stomach acid. "

"The geologist found a beautiful mineral specimen in the rock collection. "

"The teacher praised the students' similar answers on the math quiz. "

"The car is in good shapes for its age. "

"There is one sterling and here is another"