What are the 6 important reasons of credibility and believability in research?

Which us president proposed a decimal based measurement system for the us

Allow of the following ideas were regarded in the creation of the u.s. founding documents except

Which of these coordinates is closest to mt. kilimanjaro? 2° s latitude; 30° e longitude 4° s latitude; 20° e longitude 34° s latitude; 20° e longitude 12° n latitude; 2° w longitude