Which of the following is an example of moderate physical activity?

Here are some examples of moderate physical activity:

1. Brisk walking
2. Bicycling at a casual pace
3. Dancing
4. Gardening or yard work
5. Playing doubles tennis
6. Vacuuming or mopping the floor
7. Pilates or yoga
8. Golfing (without a golf cart)
9. Swimming leisurely
10. Leisurely canoeing or kayaking on calm waters