footprint looseness / exhibit forming occurs over a frequency of 300000000 age which is considered a very long space to a mankind
footprint is trace. footprint_evidence is not evidence. precocious_dentition is teething. footprint_evidence is evidence. footprint is area. looseness is movability. footprint_evidence is not footprint. looseness is not movability. footprint is not trace. footprint_evidence is footprint.