In most states, chemicals cannot be flushed down a drain because of the:

Damage to the orbitomedial prefrontal cortex would impair

a. Language b. Memory c. Executive functions d. All of the above

The primary cause of land subsidence in the U.S. is the:

A) removal of rock in quarries. B) excavation of land to pour building foundations. C) removal of large amounts of underground water. D) clearing of land for urban development.