Unit 6 Lesson 3 People and their Environment in the Northeast(ae

A _is a tributary that feeds a large river.

• feeder stream

• river

A wetland typically covered with grasses is called a _.

• marsh

• island

The construction of _ change the course and ecology of rivers.

• houses

• dams

Many _and habitats are disturbed or even destroyed.

• homes

• ecosystems

The _is the largest wetland area in the Northeast.

• Mesopotamian Marsh

• Spillway Marsh

During the Persian Gulf War, Iraqi troops dumped about 250 million gallons of _ into the Persian Gulf

• oil

• gas

_is a problem in all of the countries of the Northeast, especially in urban areas.

• Air Pollution

• water Pollution

The biggest threat to the Caspian's waters come from the large _operations that take place throughout the sea.

• oil extractions

• pollution extractions

The health of _and soils is threatened in several parts of the Northeast.

• forest

• water

Environmentalist have placed a heavy emphasis on reducing Turkey's historical dependence on _ which is highly polluting.

• coal

• gas