Who were the giants to whom newton was referring? could this be said of any scientific accomplishment?

The giants to whom Isaac Newton was referring to  Copernicus, Kepler, and Galileo Galilei. Yes, the scientific discoveries provide a wider knowledge to the scientist on the works of the world. Fresh findings brought additional inquiries for study and added findings.

a is the final : )

calvin taught his followers that human beings needed to follow strict rules to overcome their nature and do good. second choice