Dunes in deserts lacking vegetation tend to migrate across the desert as the sand is blown away, preventing clay buildup.
(deserts; lacking; vegetation) (Dunes in deserts; tend; to migrate across the desert as the sand is blown away,) (Dunes in deserts; to migrate; across the desert; T:as the sand is blown away, preventing clay buildup) (the sand; is blown; away)
deserts Dunes in deserts Dunes in deserts the sand
lacking tend to migrate is blown
vegetation
to migrate across the desert as the sand is blown away,
across the desert T:as the sand is blown away, preventing clay buildup
away