The 'sea' group
These nouns refer to the world, or to natural things in the environment. (Ice, land, rain, weather, and wind are also often used without the.)
air biosphere cosmos deep earth ebb elements environment firmament fourth dimension galaxy globe ground heavens high-water mark horizon ice land macrocosm monsoons moon ocean ozone layer planet rain rains sea sky skyline solar system spectrum stratosphere sun tide universe water table weather wind world
'They made it!' howled Moynahan, tossing his helmet into the air.
The thinning of the ozone layer makes wearing protective sunglasses more important now then ever.
Today the sea is rough.
The weather was beautiful.
He spent most of last year jetting around the world, opening his eyes to new cultures and new ways of life.