Chemical weathering involves the change in the composition of rocks, often leading to a 'break down' in its form. This is done through a combination of water and various chemicals to create an acid which directly breaks down the material.
Zimbabwe is often reported to have the highest adult literacy rate on the continent. A recent news article claimed that 90% of the population is literate. The data does not back up the claims. Researched by Kate Wilkinson.
Suicides are most prominent in Asia and Eastern Europe. Lithuania has the highest suicide rate among the countries for which we have data, with 28.6 suicide deaths per 100,000 people, followed closely by South Korea with 26.3 deaths per 100,000 people.