She cites in detailed chapter and verse the extraordinary range of challenge involved in genuine school turnaround. (educationnext.org)
However, before you take the leap into this kind of relationship, be sure that you and your partner are well aware of challenges involved. (interracialrelationshipsonline.com)
Due to the extreme pressures of these deep - sea environments and the technical challenges involved in reaching them, ocean trenches are among the least explored environments on the planet. (whoi.edu)