- Patterns of activity differ between species.
- In tests of short-term memory, Goldstein and her colleagues showed that although brain activity differs between sexes, their short-term memory performance is the same.
- Experimental Study on Pozzolanic Activity Difference among Some of Coal Ashes
- The office has been humming with activity.
- The threat of war has depressed business activity.
- There has been a lot of activity in the town today.