Chemistry, 03.12.2019 23:31 Karinaccccc
Ptolemy and copernicus were astronomers who had proposed theories about the solar system. ptolemy believed that the planets and the sun orbited earth. copernicus believed that earth and other planets circled a stationary sun. which of these statements best explains why ptolemy and copernicus made different observations about the solar system?
they studied outdated theories and evidences.
they had different backgrounds and interests.
they used incorrect methods of experimentation.
they made errors in their scientific calculations.
Answers: 2
Chemistry, 22.06.2019 12:30
Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d
Answers: 1
Chemistry, 22.06.2019 17:00
Complete each row of the table below by filling in the missing prefix or missing exponent.
Answers: 1
Ptolemy and copernicus were astronomers who had proposed theories about the solar system. ptolemy be...
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