The phrase "activities have concluded" is correct and usable in written English.
It can be used to indicate that a series of events or tasks have finished.
Example: "After a long day of meetings and workshops, I can confirm that all activities have concluded for the day."
Alternatives: "activities are finished" or "events have wrapped up."
"His actions cannot be allowed to stand unchallenged, and at the very least, these destructive moves must be put on hold until the numerous investigations into Pruitt's activities have concluded," Merkley said last month.
When asked about reports of protesters being arrested, U.S. Capitol Police communications director Eva Malecki told HuffPost in an email that police are "still processing the arrests" and "will issue a statement when activities have concluded".
The IntelCenter, a private group based in Washington that monitors terrorism activity, has concluded that this group is the same as ETIM.
A draft of the city's first comprehensive analysis of its heliport infrastructure and helicopter activity has concluded that the city should continue its year-old ban on sightseeing flights from the 34th Street Heliport, but it does not call for new regulations on corporate or commercial traffic.
Literature reviews on physical activity and cognition have concluded that physical activity favorably affects cognitive functioning and ultimately an academic score [ 4, 12].
Since systemic administration and iontophoretic application of CGRP receptor antagonists into the spinal trigeminal nucleus are well suited to decrease spinal trigeminal activity [49], we have concluded that CGRP is primarily activating trigeminovascular neurons at their synapses within the trigeminal nucleus [21, 37] (Fig. 2c).
The review, led by Sir John Jenkins, the ambassador to Saudi Arabia, into its British activities is understood to have concluded that it should not be banned as a terrorist organisation.
Several studies using positron emission tomography (PET) to measure brain activity-induced changes in glucose metabolism have concluded an inverse correlation between neural activity and IQ score (or task performance) which is consistent with the neural efficiency hypothesis (Haier et al. 1992, 2000).
Systematic literature reviews of the effectiveness of physical activity counselling by medical professionals have concluded that evidence is mixed at best [ 64, 72, 73].
Many biologists and climate scientists have concluded that human activities have become a dominant influence on the Earth's climate and ecosystems.
An observed warming trend of the ocean's waters more recently is consistent with similarly observed global warming of the atmosphere; a growing number of researchers have concluded that human activities are contributing to the warming trend, although the extent of this contribution is not yet known.
