The phrase "a viable area" is correct and usable in written English.
It can be used when discussing a location or field that is practical, feasible, or capable of supporting a particular activity or purpose.
Example: "After conducting our research, we found that this region is a viable area for agricultural development."
Alternatives: "a feasible zone" or "a practical region".
The results also confirm the dependence on public subsidies for maintaining a viable area with a high nature value.
Although philosophical logic is now a relatively small field in comparison to logical AI, it remains a viable area of research, with new work appearing regularly.
The goal is not to systematically survey the market (though this would be a viable area for future investigation), nor is it to scientifically examine the drugs themselves (an important step, but difficult to do at any scale whilst the cost of testing the drugs remains high).
Eco-tourism, sewing and selling tribal carvings, jewelry and music has become a viable area of economic opportunity.
A method for automatically or semi-automatically generating models based on ontology-based queries is a viable area for future research.
Our findings suggest that self-generated motor output does not form a viable area of endophenotypic research, even though speed and variability of self-generated motor output correlate within families.
It is still possible that there will be some changes to the Medicare program this year, but Medicaid is quite likely a more politically viable area of change.
Daily treatment of mice bearing RIF-1 tumours caused tumour stasis, and consistent with this, histology at the endpoint of 5 days showed a decrease in total tumour area and a proportional decrease in the viable area of approx. 35% compared to vehicle (both not significant, p < 0.1).
The ratio of the CD31-stained area to the total area of tumor sections from both treatment groups were analyzed, as well as the number of vessels in a viable tumor area.
"Snow-making is required to remain a viable ski area".
Ultimately there will have be be significant ceding of fiscal sovereignty in the eurozone to make that a viable currency area.
