Role and Importance of Data in Public Health. Address the basic concepts, methods, and tools of public health data collection, use, and analysis and why evidence-based approaches are an essential part of public health practice.
Every language in the world-from English to Mandarin-evolved from a prehistoric 'mother tongue' first spoken in Africa tens of thousands of years ago, a new study reveals.
Greeks have always had their own language which was Greek. Greek is one of the world's oldest recorded living languages. The history of the Greek Language begins around the laâ¦te 3rd millennium BC. In the classical period, about 500 BC, there were three versions of the Greek language.