Eating sweet foods produces acid in the mouth, which can cause tooth decay. (High acid levels are measured by low pH values) Describe the information below and discuss the implications for dental health.
The pie chart below shows the main reasons why agricultural land becomes less productive. The table shows how these causes affected three regions of the world during the 1990s.
The diagram below shows the average hours of unpaid work per week done by people in different categories. (Unpaid work refers to such activities as childcare in the home, housework and gardening.)
The line graph below shows the number of annual visits to Australia by overseas residents. The table below gives information on the country of origin where the visitors came from.
The charts below show the percentage of food budget the average family spent on restaurant meals in different years. The graph shows the number of meals eaten in fast food restaurants and sit-down restaurants.
The charts below give information about USA marriage and divorce rates between 1970 and 2000, and the marital status of adult Americans in two of the years.