Turkey. Historically, Iran was the centre of the Persian Empire, while Turkey was the centre of the Ottoman Empire.
Between 1931 and 1940 a ton of soil blew out of the central and southern great. It was a period of severe dust storms that greatly damaged the ecology and agriculture during the 1930s.
The answer is the second
one.
Deforestation of rain and forests and other parts of the world volcanic eruptions and widespread forest fires.
This activity has contributed greatest amount of carbon dioxide into the atmosphere over the past 100 years.