The phrase "a combination of activity" is correct and usable in written English.
It can be used when describing a mix or blend of different actions or tasks that are being performed together.
Example: "The project requires a combination of activity, including research, design, and implementation to be successful."
Alternatives: "a mix of activities" or "a blend of actions".
Regarding the static rate, for the purposes of this model we regard this as being dominated by opportunistic burglary and therefore driven by a combination of activity patterns and target attractiveness.
Following the Good Practice Guidance for Land Use, Land-Use Change and Forestry (GPG-LULUCF) [13] and the Guidelines for Agriculture, Forestry and Other Land Use (AFOLU) [14], forest degradation uses methods to assess carbon stock changes in forest land remaining forest land, using a combination of activity data and emission factors.
Subsequent brain scans using functional MRI indicated that face pareidolia arises from a combination of activity in the brain's frontal cortex and in the posterior visual cortex.
Thus, a combination of activity of cyclin-dependent kinases 1 and 2 is useful in decision-making regarding treatment strategies for non-small cell lung cancer after surgery.
With a combination of activity and boldness/exploration as dimensions of behavioural syndromes we obtained results very similar to studies in voles and other small mammals.
Following the Good Practice Guidance for Land Use, Land-Use Change and Forestry (GPG-LULUCF) [ 13] and the Guidelines for Agriculture, Forestry and Other Land Use (AFOLU) [ 14], forest degradation uses methods to assess carbon stock changes in forest land remaining forest land, using a combination of activity data and emission factors.
Many of the large corporations offer a management training programme, but my role involves a combination of activities that might be less easy to find.
Village sites reside in multi-purpose, land-use zones permitting a combination of activities found in residential, shopping and commercial areas.
There is a large potential for future reductions in emissions by a combination of activities, including: energy conservation and increased energy efficiency; the use of low-carbon energy technologies, such as renewable energy, nuclear energy, and carbon capture and storage; and enhancing carbon sinks through, for example, reforestation and preventing deforestation.
A combination of activities against sporozoites, infected liver cells, merozoites and infected red blood cells may be required to achieve substantial immune protection [9].
