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"Example Sentence: "She gathered her books and papers before leaving the library." "

"The gardener added saltpetre to the soil to help the tomato plants grow bigger. "

"The fireworks display used gunpowder to create colourful explosions. "

"The chemistry class focused on how different elements combine to form new substances. "

"My grandmother makes a delicious strawberry preserve for breakfast. "

"The ancient librarian was known for her vast knowledge of history. "

"The fertilizer contained potassium to help the plants grow stronger. "

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

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

"The feeling is difficult to describe, but not unpleasant."

"The main ingredient in Grandma's famous chocolate chip cookies is butter. "

"The museum displayed several mummies, showcasing ancient Egyptian burial practices. "