calciferous

"The company is yielding a bonus to its employees for their hard work this year. "

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

"The scientist carefully examined the substance to determine its chemical composition. "

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

"It looks weaker and weaker, the more I think about it."

"The teacher wrote on the blackboard with a piece of chalk. "

"Can you on the light?"

"He might get cancer, or be hit by a bus, or God knows what."

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

"The student used a calculator to solve the math problem. "

"Many caves are formed from limestone, which is mostly made of the mineral calcite. "

"The teacher wrote the math problem on the blackboard. "