Partsofasentencearegivenbelowinjumbledorder.Arrangethepartsinthe correct order to form a meaningful sentence. P. and a challenge for modern societies Q. reducing carbon emissions R. while ensuring economic growth S. remains one of the most pressing issues

1. S-Q-P-R
2. Q-S-P-R
3. Q-P-S–R
4. Q-R-S-P