This is the creation of an improvement of a product that already exists.

The development of humans was directly dependent ondevelopment of a language.development of communication between people.e development of tools.litdevelopment of the wheel.

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How does an appellate court differ from a trial court a. an appellate court usually has a jury b. an appellate court decides issues of facts c. an appellate court examines more witnesses d. an appellate court reviews another courts decision