| Carbon is cycled through the hydro and geosphere through biological, physical/chemical, geological, and human activity. |
| The house was a hive of activity as we prepared for the party. |
| Load profiles are a standard analysis tool showing passenger activity and passenger load at each stop along a route in a single direction. |
| Police have received reports of gang activity in the neighborhood. |
| Autonepiophilia is when the paraphilic individual behaves like a child, usually in wearing diapers as a necessary part of sexual activity. |
| Beardies take two to three years to mature, so be prepared for typical puppy activity during this time. |
