Young girl holding a fishing rod over a fence.
A young girl takes her fishing rod over the fence.
A young girl plays hop scotch outside.
Changes in surface water chemistry are characterized by changes in the ANC.
A sports player is wearing a blue uniform.
A woman is talking to a man on a bike.
In the future less workers will be supporting each retiree.
Not every holiday is playtime.
Figure 1.2 shows the trend of wealth measurements.