The phrase "activity which is concerned" is correct and usable in written English.
It can be used when referring to a specific activity that is relevant or related to a particular subject or issue.
Example: "The research focuses on the activity which is concerned with environmental sustainability."
Alternatives: "activity related to" or "activity pertaining to".
In 1864, he founded the periodical Hansa in Hamburg, which was concerned with topics relating to seamanship and coast guard activities.
Bone regenerates mainly by periosteal and endosteal humoral and cellular activity, which is given only little concern in surgical techniques and choice of bone grafts for guided bone regeneration.
"If you're from a country known for terrorist activity, which is many Middle Eastern countries, you will likely be deemed a national security concern," Pasquarella told VICE.
"If you're from a country known for terrorist activity, which is many Middle Eastern countries, you will likely be deemed a national security concern".
It is concerned with activities which are carried out in relation to diagnosis, treatment, rehabilitation and care.
The last two items are concerned with difficulties in performing work or leisure activities, which are omitted if the respondent is of retirement age.
The remaining two items are concerned with difficulties in performing work or leisure activities, which are omitted if the respondent is of retirement age.
Ethical investigation is primarily concerned with identifying those human activities which are driven by internal standards of correctness and value and not by concern for external rewards or utilities.
These capabilities may concern the creation of new knowledge or the abandonment of certain activities which are no more profitable.
Matheson: "The only reason I ask is because it would give me concern that you have the mens rea to undertake activities which are, perhaps, outside the law.
