Free Professional Development
This lesson should help a learner understand what a reference frame is and why it is used.
29 Sophia partners guarantee credit transfer.
310 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 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.
Source: Renate Fiora
