A physical change is when something don't permanently change
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the particles, molecules, and gas range from smallest to largest in the following order: electron < proton < atom <...
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A learned behavior is a behavior that develops during an animal's lifetime. Tying one's shoes or solving a math problem are examples of learned behaviors. An inherited behavior is a behavior that an animal is born with. It does not have to be taught. For example, a bird can build a nest for the first time without any help.
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I would make the replacement parts with the 3D printer to help fix the well
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