disappearance

In a sentence

he regretted the disappearance of Greek from school curricula

उसलाई विद्यालय पाठ्यक्रमबाट ग्रिकको लोप भएकोमा पछुतो लाग्यो

what was responsible for the disappearance of the rainforest?

वर्षावनको लोपको कारण के थियो?

the disappearance of resistance at very low temperatures

धेरै कम तापक्रममा प्रतिरोधको लोप हुनु