Sentence examples for problem remains unclear from inspiring English sources

Meanwhile, the scale of the problem remains unclear.

So, the root cause of the problem remains unclear.

Whether due to increased awareness or a growing problem remains unclear, but concern around social isolation is on the rise globally.

Whether use of hydraulic fracturing in Germany could alleviate this problem remains unclear due to the relatively small amount of resources that could be extracted here.

The origin of the problem remains unclear but initial investigation suggests that a measured background signal could be subtracted to correct for this overestimation.

Moreover, no systematic survey of ESBL-producing bacteria has been conducted, and the extent of the ESBL problem remains unclear.

Meanwhile, how President Macri's economic team will deal with the country's many and varied economic problems remains unclear.

Why the other family members did not develop renal problems remains unclear.

However, the ability of ultrasound to diagnose acetabular labral tears in an unselected group of patients with hip-related problems remains unclear.

As for ultrasound, the diagnostic ability of clinical tests in an unselected group of patients with hip-related problems remains unclear.

Previous studies provided substantial evidence that children and adolescents from lower socioeconomic groups more often manifest internalising and externalising problems, although the precise relation between SEP and specific types of problems remains unclear [ 15].