Which treatment is physical and is used to remove solids from the
wastewater?
O primary
O secondary
O tertiary

answer; i believe the correct answer is (replication is not conservative);

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.

what? are the statements?