The phrase "a demanding task and" is correct and usable in written English.
It can be used when describing a task that requires significant effort or skill, often as part of a larger sentence.
Example: "Completing the project on time is a demanding task and requires careful planning and coordination."
Alternatives: "a challenging task and" or "a tough assignment and".
Creating effective interventions, which stimulate peer involvement, remains a demanding task and finding a solution that is not only engaging but also pedagogically sound is vital.
In the present work we defined a motor task that requires measurable skilled performance to unveil motor performance changes during the execution of a demanding task and to investigate the dynamics of motor performance and cortical excitability changes in absence of overt peripheral fatigue.
This is a demanding task and it could cause difficulties in practical applications.
In vivo imaging of inflammation is a demanding task, and novel molecular imaging targets are called for.
Time integration in solar wind particle motions is a demanding task, and increasingly more particles need to be used in the simulation to ensure the integrability.
Nonetheless writing a text-book on Ore Deposits is a demanding task and it is inevitable that sins of both omission and commission have been committed.
The genomewide evaluation of genetic epistasis is a computationally demanding task, and a current challenge in Genetics.
66 To accelerate a body is a metabolically demanding task and requires the athlete to overcome inertia and environmental forces, independent of the sport.
A slot machine is not a cognitively demanding task, and the ability to appreciate that four identical stimuli result in a reward, and that the first nonidentical stimulus signals a nonrewarded trial, is well within the cognitive repertoire of all vertebrates.
This study, therefore, explored whether a) prior self-control exertion reduces subsequent persistence on a physically demanding task, and b) whether any observed performance decrements could be explained by changes in perceptions of pain.
Analytical evaluation of sensitivities is a time demanding task, and in order to avoid excessive computation times, distributed computing strategies have been implemented which can be considered as an additional benefit of this approach.
