glaciations

"The scientists repeated the experiment in order to confirm the result."

"The teacher pointed out a particular detail in the math problem that several students missed. "

"My family has a different ideal for my future than I do. "

"Professor Smith, the head of the history department, gave a fascinating lecture on the Roman Empire. "

"The valley was heavily glaciated during the last Ice Age, leaving behind U-shaped formations. "

"He covered the baby with a blanket."

"We spent the weekend hiking in the mountains."

"From the classroom window, the entire landscape of the valley unfolded before us. "

"We discussed the best way to solve the math problem. "

"The colorful autumn leaves falling from the trees are beautiful phenomena. "

"The widget making machine is being used for production now."

"The intricate formation of the puzzle pieces allowed the child to assemble a picture of a dog. "