Volcanic activity broke the large island into pieces that came to the surface of the sea over time.

VOA: special.2009.12.16

At the same time, the Norfolk Police Constabulary is investigating the possibility of criminal activity.

VOA: special.2010.04.27

December is a time of holiday gift-giving and strong business activity in many places.

VOA: special.2010.12.24

"We can say that 50 percent of the burden of obesitycan be contributed by having no leisure time physical activity."

VOA: standard.2010.08.10

The federal government is encouraging schools to make more time so children can participate in physical activity.

VOA: standard.2010.03.09

Others last for months or even years. There is no clear way of predicting at the present time how long this activity might go on for."

VOA: standard.2010.04.16