The phrase "assortment of activity" is not correct in standard English; it should be "assortment of activities." You can use it when referring to a variety of different activities or tasks that are available or being considered.
Example: "The event featured an assortment of activities, including games, workshops, and performances."
Alternatives: "variety of activities" or "range of activities."
There will be Shakepearean performances, circus comedy, swing dancing and a wide assortment of activities on Washington Street between First and Seventh Streets, 11 a.m. to 6 p.m. Robbie Woliver.
Cape May's hospitality businesses and its industrious Mid-Atlantic Center for the Arts have devised an assortment of activities: family treasure hunts, teas, mansion tours, even a haunted-house tour by trolley.
Adventure Pass - From Thursday to Sunday, Sunday River Resort sets up a huge assortment of activities for kids and adults alike.
First, the transfers were not homogeneous over the whole assortment of activities expressed by cells within the co-cultures.
Chd1 proteins have been associated with an assortment of activities, including the efficient assembly and spacing of nucleosomes (Robinson and Schultz, 2003; Lusser et al, 2005; Stockdale et al, 2006).
During the year it offers an assortment of Gallic activities, including plays, political discussions and dance recitals.
Further, these secretions showed an assortment of destructive activities, indicating the presence of a variety of different enzymes, as is typical for animal venoms (doi 10.1146/annurev.genom.9.081307.164356).
An assortment of tented activities at the festival are steeped in pirate lore, including Captain Hook's Haunted Shipwreck (with plank still intact).
But, on-the-ground investigations have found that when people in many African countries don't have access to food or adequate information about malaria, they're often inclined to use those very nets for an assortment of other activities.
In accordance with the often complex structure of some pectins, an assortment of pectinase activities modify or degrade these polymers.
