Vocabulary Booster১টি পরীক্ষায় এসেছেপ্রশ্ন ১৩Guidelines for raising children that are based on empirical evidence. Here the word 'empirical' means-কক) originating in or based on observation or experience.খখ) relating to or having the character of theory.গগ) not tested and shown to be good.ঘঘ) having or marked by foresight and imagination.উত্তর দেখুন