وَإِلَى ٱلْأَرْضِ كَيْفَ سُطِحَتْ
Sentence structure
وَإِلَى ٱلْأَرْضِ is coordinated with the preceding phrase. كَيْفَ describes the manner of passive سُطِحَتْ.
Ayah summary
Do they not reflect on how the earth was spread out for living and travel?
وَإِلَى — And towards
Grammar: وَ coordinates and إِلَى is a preposition. This phrase is linked across the ayah boundary to «يَنظُرُونَ».
ٱلْأَرْضِ — the earth
Grammar: ٱل is the definite article; أَرْضِ is a feminine-singular genitive noun governed by إِلَى.
كَيْفَ — how
Grammar: An interrogative adverb functioning as a circumstantial expression for سُطِحَتْ.
سُطِحَتْ — it is spread out
Grammar: A third-person feminine-singular passive perfect; its understood deputy subject refers to the earth.