During the age of discovery, what was a common reason explorers set out for unknown lands?

What statement about risks in social and behavioral sciences research is most accurate: anonymizing data effectively manages the risk of creating emotional distress. risks are specific to time, situation, and culture. there are never any risks. if a study offers potential benefits, it is not necessary to minimize risks.

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

What happens after a star goes supernova? just wondering! [tex]supernova [/tex] answer asap i really wanna know!