28 Sophia partners guarantee credit transfer.
281 Institutions have accepted or given pre-approval for credit transfer.
* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 25 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.
10 How is copper obtained from copper-rich ores?
11 What methods can be used to obtain copper from low-grade ores?
12 How is copper purified?