What is significant about Louisiana’s swamps and marshes? Check all that apply. They make up the most fragile and valuable wetlands in the US.
They create a natural barrier around the city of New Orleans.
They cause a decrease in natural habitats for local wildlife.
They are a major cause of subsidence and lead to erosion.
They contribute more than $1 billion a year to the state’s seafood industry.

HURRY I'M TIMED