Surah Al-Hijr 15:19

وَٱلْأَرْضَ مَدَدْنَـٰهَا وَأَلْقَيْنَا فِيهَا رَوَٰسِىَ وَأَنۢبَتْنَا فِيهَا مِن كُلِّ شَىْءٍ مَّوْزُونٍ

And the earth - We have spread it and cast therein firmly set mountains and caused to grow therein [something] of every well-balanced thing.

Translation: Saheeh International

Tafsir

And the earth We have stretched it out spread it flat and cast therein firm mountains lest it should sway beneath its inhabitants and caused to grow therein every kind of balanced thing every kind of thing known and determined.

Excerpt from Tafsir al-Jalalayn, commentary on 15:19, via Quran.com. The reader has the full commentary and 9 more tafsirs.