Which invasive plant species threatens the ecosystems of the Mississippi River?
Topic: The Mississippi River System of the United States
What term is used to describe the boundary where fresh and saltwater mix in the lower Mississippi River?
Which of the following is a significant environmental challenge facing the Mississippi River?
Which U.S. National Scenic Byway follows the Mississippi River for 3,000 miles?
The lower Mississippi River floodplain is an important habitat for which endangered species?
Which U.S. river is part of the Mississippi River System and drains the Rocky Mountains?
Which state has the most miles of the Mississippi River running through it?
The Mississippi River flows past how many state capitals?
Which explorer is credited with naming the Mississippi River “Rio del Espiritu Santo” in 1541?
What type of vegetation is commonly found in the Mississippi River delta region?
Which war saw the Mississippi River used as a major strategic route by Union forces?
Which agency manages the lock and dam system along the Mississippi River?
Which tributary joins the Mississippi River at Cairo, Illinois?
What type of fish species is commonly harvested in the Mississippi River?
The Mississippi River was crucial for transporting goods in which historical era?
What causes the brown color of the Mississippi River water?
What is a delta?
Which explorer mapped parts of the Mississippi River for France?
How many gallons of water per second does the Mississippi River discharge into the Gulf of Mexico on average?
Which U.S. state has the least land area within the Mississippi River basin?
What natural feature forms at the mouth of the Mississippi River due to sediment deposits?
Which of these rivers is NOT a tributary of the Mississippi River?