(1) They showed how mathematics and measurement could be used in scientific investigation.
(2) B. In 1616, the church warned Galileo not to defend the ideas of Copernicus. Galileo's observations could prove Copernicus's theories about the order of the universe
(3) B He knew that the planets revolved, but he did not believe they revolved around the Earth
(4) B) The Church and God were no longer seen as the reason why everything happened the way it did.
(5) A) Ptolemy's system no longer seemed to work with that scientists were observing, and scientists began to look for other theories.