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 graph below shows the number of complaints made about noise to Environmental Health authorities in the city of Newtown between 1980 and 1996.
2 bài chấm
Band
The graph below shows the consumption of fish and some different kinds of meat in a European country between 1979 and 2004.
The graph below shows four countries of residence of overseas students in Australia.
The graph shows Underground Station passenger numbers in London.
The graph below shows the proportion of the population aged 65 and over between 1940 and 2040 in three different countries.
The graph below shows the unemployment rates in the US and Japan between March 1993 and March 1999.
