A lot of people have some questions in his mind that it is not about his domain of work, or school final exam but related to our life and environment and some events around us. This is what who-why-what.Blogspot.Com is about you will found answers to some frequently asked questions in different domains, we choose some questions that many people ask (in search engines, forums...) everybody can ask this question without considering age or sex like: why the sky is blue?, what is the oldest language in the world?, who invented the internet? You will pass your free time on this blog and learn lot. Find every day a new question and its answer.