Even just 15 minutes of activity will do you good.

Most children need at least an hour of physical activity every day.

His period of activity was from 1678 to 1682 or 1683.

Most of the activities are open to the whole school.

What are some of the activities and events going on?

Design of the key activities within the company which need to be changed.

Of the 12 activities, I did 11 with my right hand.

The nature of his new business activities could not be learned.

Much of its activities focus on public programs and working groups.

She spent 1911-1914 in America, though nothing is known of her activities during those years.