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[tex]how \: do \: you \: know \: if \: an \: object \: has \: changed \: posistion \\ \\ a. \: it \: is \: not \: visible \: anymore \: \\ b. \: it \: look \: bigger \\ c. \: it \: is \: farther \: or \: closer \: from \: a \: reference \: point \\ d. \: it \: is \: on \: top \: of \: a \: reference \: point[/tex]
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Explanation:
A.It is not visible anymore
Plz mark my answer brainles answer...Tha*nks