Mahabharata 12.176.5

भरद्वाज उवाच · bharadvāja uvāca

कथं सलिलमुत्पन्नं कथं चैवाग्निमारुतौकथं च मेदिनी सृष्टेत्यत्र मे संशयो महान्

kathaṃ salilamutpannaṃ kathaṃ caivāgnimārutaukathaṃ ca medinī sṛṣṭetyatra me saṃśayo mahān

Our plain-language meaning of this verse is waiting for scholar review.