natural object
naturally occurring object in a natural state, without modification by human effort
moulin
well-like shaft within a glacier
natural physical object
natural thing that exists that humans did not make
hailstone
globule or piece of ice constituent of hail
natural barrier
physical feature that protects or hinders travel through or over
natural resource
naturally occurring resource, including mineral resources (e.g. metal ores), mined fossil fuels (e.g. petroleum), water resources (e.g. lakes and groundwater), water energy resources, timber, arable land, game (e.g. deer), fish in water bodies, etc.
genetic material
something that contains genes