1. G. J. Wenham, Genesis1-15 (Word Biblical Commentary; Waco, TX; Word, 1987) 20.
2. 'aretz has in fact been mentioned also in v1. There, however, it occurs in a merism with "the heavens" so that its meaning there cannot be exported to occurrences of the word when used independently.
3. G. J. Wenham, Genesis1-15 (Word Biblical Commentary; Waco, TX; Word, 1987) 20.