���ায়ঢ়দূষণ :
{"name":"���ায়ঢ়দূষণ :", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Welcome to our quiz on air pollution! Here, you can test your knowledge about the various aspects of air pollution, its causes, and effects on the environment.Challenge yourself with questions such as:Which country has the highest production of carbon dioxide?What are the main causes of air pollution?","img":"https:/images/course6.png"}