48:57 Read the passage.
What is the purpose of this passage?
UFOs, or unidentified flying objects, are often the topic
of science fiction novels. In reality, UFOs are often
aircraft, kites, clouds, or meteors that observers are
unable to recognize at first glance. A UFO near
Roswell, New Mexico, made headlines in the mid-
twentieth century and remains a pop-culture
phenomenon. In more modern history, satellite
launches have caused rocket debris that is often
observed and reported as a UFO.
O to inform readers about the term "UFO"
O to entertain readers with a story of a UFO landing
O to inform readers about government record-keeping
O to persuade readers to report UFOs to authorities
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