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.
The birth of Tamil Language is unknown but one of the earliest texts is even dating back to 5000 BCE, which clearly speaks for itself. Tamil is the OLDEST LANGUAGE Answer to above: Not scientific. The account for the oldest written accounts, gives numerous middle east extinct variants the lead.