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"The teacher effectively explained the complex math problem, making it easier for the students to understand. "

""The farmer, tending his customary rent of grain, hoped the lord would accept it despite the poor harvest." "

"He removed the marbles from the bag."

"We used charcoal to grill hamburgers in the backyard. "

"Asphalt, composed of oil and sand, is a widely used material for roads."

"The charcoal filter adsorbed the unpleasant odors from the air. "

"A liquid can freeze to become a solid or evaporate into a gas."

"The water molecules clinging to the surface of the clay are considered the adsorbate. "

"The frequent removes of books from the library shelves for cleaning help keep them in good condition. "

"He wishes to accumulate a sum of money."

"The process of baking a cake involves several steps, from mixing the ingredients to putting it in the oven. "

"The teacher activated the students' interest in history by telling them exciting stories about ancient civilizations. "