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.
How did the English Language Begin. 10 Mar, 2011 how did 0. English is the third most spoken language the world over. Approximately 400 million people speak it as a first language and over 1.4 billion people speak English as a second language.It is the official language in 53 countries worldwide.t is not an easy task to identify when English was first spoken. English as a language belongs to the Indo-European family. This family also includes Spanish, Hindi, Portuguese, Bengali, Russian, German, Marathi, French, Italian, Punjabi, and Urdu.