Question

does the mississippi river contribute to economic activity? *
by providing water for agriculture
by being a cheap transportation route
by supporting fishing industries
by generating hydroelectric power
what makes the mississippi river basin unique? *
it has the most diverse wildlife
it spans the largest area of arable farmland
it has the highest elevation
it is the most polluted

Explanation:

1. The Mississippi River is a major water - way. It is used for transporting goods as a cheap transportation route, which boosts economic activity. It also provides water for agriculture, supports fishing industries, but its main economic contribution in terms of scale is as a transportation route. Hydroelectric power generation is not a major economic activity associated with the Mississippi River.
2. The Mississippi River Basin is known for spanning a large area of arable farmland, which is a unique characteristic among river basins. It does not have the most diverse wildlife compared to some tropical regions, does not have the highest elevation, and is not known as the most polluted in a unique - standing - out way.

Answer:

1. By being a cheap transportation route
2. It spans the largest area of arable farmland