Sentence examples for problems challenging from inspiring English sources

Drought is one of the most serious ecological problems challenging mankind.

This review focuses on elucidating the following questions: Why are mesoscale problems challenging?

The article deals with a number of particular problems challenging the managers and methodologists of the Russian national space programme of today.

As pain is one of the most common problems challenging the anesthetist, and as regional anesthesia is a safe, inexpensive technique with the advantage of prolonged postoperative analgesia.

Diabetes mellitus (DMs), a group of metabolic diseases, in which there are high blood glucose levels over a prolonged period, is among the series of problems challenging the human health.

Eleni ([2008]) have emphasized that soil degradation is one of the major environmental problems challenging agricultural production in many parts of Ethiopia and highlight the need for conservation action.

None of these problems challenges the fundamental premise of AOL Time Warner.

Furthermore, more than 25% work time losses due to power interruption daily and around 65% work premises problems challenged MSEs.

These same problems challenge Pittsburgh, Baltimore, Milwaukee, Cleveland, Toledo, Youngstown, Wilmington, Del., and a host of other towns and cities across America.

Kidd said he would have no problem challenging Hurricane Sandy.

As a teenager, she writes, she "had no problem challenging authority and taking charge".