10وَجَعَلَ فيها رَواسِيَ مِن فَوقِها وَبارَكَ فيها وَقَدَّرَ فيها أَقواتَها في أَربَعَةِ أَيّامٍ سَواءً لِلسّائِلينَBijan MoeinianGod is the One Who [after having created the earth] established the mountains and made it hospitable and established an eco-system to provide the needs of the living species in four periods.