Is there a series of rigid transformations that could map ΔRST to ΔXYT? If so, which transformations could be used?

Answer primary waves;

This would be an open primary. a closed primary people can vote only prior to election day if the party if they are registered. independent voters can not participate. there is not a wide-open primary, but there is a semi-open primary.

Answer erosion,oil spills,pollution,tourism,urban development;