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Briefly describes how a cow produces milk, how the milk is processed in a dairy, and how various other dairy products are made from milk.

Briefly introduces various types of dinosaurs whose skeletons and reconstructions are seen in museums and explains how scientists uncover, preserve, and study fossilized dinosaur bones.

Discusses how scientists, studying fossil remains, provide information on how dinosaurs lived millions of years ago.

Explains how fossils are formed and what they tell us about the past.