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Energy and Tools

Ancient people might have invented toolspawsstonesjawsSelect your answer after watching animals. A mole digs underground tunnels by scooping soil with its big pawsbody partschiselsstonesSelect your answer. This is similar to the shovelbody partschiselsstonesSelect your answer people use to dig. Beavers gnaw trees with their front body partsteethjawspawsSelect your answer to cut them down so they can build dams. This is similar to the chiselsjawsteethstonesSelect your answer people use. Vultures crack the shells of ostrich eggs by using stonesjawspawsteethSelect your answer. Some ants cut leaves with their pawsstonesjawstoolsSelect your answer. Many of the tools people have invented work like animal chiselstoolsbody partsshovelSelect your answer.