Which country has built the world’s largest Air Purifier to fight pollution? Leave a Comment / Labour Officer Labor & Human Resource Deptt 2020 / By admin A) America B) China C) Japan D) Greenland Rate this post Related Posts:Top Daily MCQs Series (Largest/Longest), 03 February 2021General Knowledge MCQs pdfWhich country has the largest foreign exchange reserves on…The largest country of central America touches both the…The largest Island in the world is :The largest internet using country in the world is :