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.
Nepal, a little mountainous country in South Asia, has regularly been ranking among the countries with the highest suicide rate but there has been a new, unfortunate trend in the suicidal behavior in this country.