The phrase "a viable activity" is correct and usable in written English.
It can be used when discussing an activity that is practical, feasible, or capable of being successful.
Example: "After careful consideration, we concluded that organizing a community event is a viable activity that can engage local residents."
Alternatives: "a feasible option" or "a practical endeavor."
There's always one person you went out with the night before who posts a photo on Facebook at 11 00 AM the next day like, "Beautiful day in the Catskills!"—as though popping up to the mountains is a viable activity after what you did to your body last night, as though standing upright while wearing a bathing suit by a swimming hole is somehow anything less than a miracle.
The basis for modern governance of the high seas, UNCLOS and associated instruments, essentially predate the emergence of bioprospecting as a viable activity, and reflect the norms of the 1970s.
While there may appear to be no viable activity, closer inspection reveals an active ecosystem, just not what many of us might be able to recognize without a guide to show us.
Niels Kyvsgaard presented work from Nicaragua on scavenging versus restricted pigs, highlighting the point that for many smallholders, pig keeping is a low-input and economically viable activity.
In the summer of 1966, Mr. Barish and his son Craig toured ski resorts from Vermont to California, demonstrating that "slope soaring" could be a viable summer activity for the resorts.
Gym battling is not really at a point right now where it's a viable endgame activity.
Since the mid-2000s, however, transhumant pastoralism has once again become a viable economic activity in the Polish Carpathians.
The findings show that CSR has dual managerial implications for retail apparel brands, serving as both a viable organizational activity that creates goodwill and positive brand associations, and as a business strategy that may have positive performance outcomes for retail apparel firms.
In addition, we introduce an approach in the realm of the HyChem approach to address the need to predict the negative-temperature coefficient (NTC) behaviors of jet fuels, in which the CH2O speciation history is proposed to be a viable NTC-activity marker for model development.
This vision is to be achieved through provision of credit and equipping the youth with appropriate skills to creatively engage in economically viable activities (Youth Enterprise Development Fund 2012).
Academic publishers faced the challenge of maintaining the proper balance between commercially viable activities and certain books and monographs that, while providing essential scholarship, were increasingly hard to subsidize.
