Plains and rivers

The Indus flows into the ______ .

• Indian Ocean

• Arabian Sea

these areas of land that are covered by water all year or for at least one full season help control floods and serve as natural filters

• estuaries

• wetlands

• seas

• flood plains

Bay, lagoon, harbor, inlet, and sound are other names for

• wetlands

• lakes

• bogs

• estuaries

a partially enclosed body of water where salt and freshwater mix is a/an

• wetland

• lake

• estuary

• aquifer

the area of the river that is located near the mouth is

• upstream

• brackish

• downstream