What are the barriers to cleaning up soil that has been polluted from salinization?

ok

explanation:

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.