It would be more risky to build a house on the outside of a river meander, at the _____, because the deeper water there will erode the bank back through time.

What rock type near the earth’s surface is commonly associated with sinkholes? _____

Used nuclear waste fuel rods are presently _____.

The Mississippi River has a _____ delta that moves sediment far out into the Gulf of Mexico. Unfortunately, the Mississippi River also carries agricultural fertilizers, which dump into the Gulf and create a Dead Zone for marine life.

EPA’s Superfund program was set up as a result of _____.

A hurricane heading north in the Gulf of Mexico towards Texas would have the strongest and most damaging winds on the _____ side of the eye. 

The most common cause of sinkhole formation is _____.

Soil _____ is the slowest type of mass wasting and may cause bent tree trunks and leaning fences. It may also crack house foundations, driveways, and walls.

Which of these is NOT a greenhouse gas? _____

The water table is at the top of the _____ of groundwater.