Education Interesting bulgaria

1.  Mark Zuckerberg ,who created today’s most internationally used Facebook , has a Bulgarian origin and he is named after his Bulgarian grandfather - Marko. 2. …

Technology Air pollution2

1. Air Pollution Kalin Bojkov, Martin Damianov, Ira Vateva 10/4 2. What is Air Pollution? Air is the main supplier of life [What is air pollution] Humans…