AL MULK — Ayat 30

قُلْ أَرَأَيْتُمْ إِنْ أَصْبَحَ مَاؤُكُمْ غَوْرًا فَمَن يَأْتِيكُم بِمَاء مَّعِينٍ

Say, "Have you considered: if your water was to become sunken [into the earth], then who could bring you flowing water?"