A seesaw is an example of a simple machine called a(n)

A seesaw or teeter-totter is a simple machine found on a playground. It acts as a lever, which is simply a bar or rod that pivots (turns) on a point called a fulcrum.

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question - in the 1900s there were two competing views about the environment that often pitted industrialist and conservationist against one another. how were these two competing views demonstrated by the environmental policies of president roosevelt and president taft?

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