The phrase "are least active" is correct and usable in written English.
It can be used to describe a group or individuals who exhibit minimal activity or engagement in a particular context.
Example: "During the winter months, many animals in the region are least active, conserving energy for survival."
Alternatives: "are the least engaged" or "show minimal activity".
Females are least active during pregnancy and gradually increase activity after birth of their kits.
Colonies are loaded onto trucks at night, when the bees are least active.
The scare has been limited to the winter months, when Aedes aegypti are least active, but with summer coming Stevenson and his crew are growing anxious.
Dr Wilmot combined 18 of them, covering almost 800,000 people, in 2012 and concluded that those individuals who are least active in their normal daily lives are twice as likely to develop diabetes as those who are most active.
Catalysts made with high-area anatase (240 or 305 m2 g−1) are least active but show least deactivation.With Au/SnO2 catalysts, gold uptake does not depend on the area of the support, and is highest at pH 7 8; very active catalysts (T50 = 230 238 K) are obtained using SnO2 of 47 m2 g−1.
The busiest season for visitors is from December to March, when temperatures are lowest and mosquitoes are least active.
Cinnamon oil showed promising inhibitory activity even at low concentration, whereas aniseed, eucalyptus and camphor oils were least active against the tested bacteria.
I wasn't surprised to learn that my spiritual self was least active while watching television, though I do think that my conversations following certain shows were some of the most theologically significant I had in the period of the survey.
The bis-Ap complex 1 was least active for ethylene polymerization (Table 1) [42].
Complex 2 contains a chloro substituent on ortho position of each ligand and is least active for ethylene polymerization.
