when zero mean of matter buildup into another mean of matter , the marsh spine of matter is variable
front_matter is matter. cataclysmic_variable is variable_star. grey_matter is solid_animal_matter. gravity is property_of_matter. solid is state_of_matter. solid_animal_matter is organic_matter. putrefaction is decay. five_per_cent_of_universe is ordinary_matter. fecal_matter is solid_object.