Question

1. The tributaries of the rivers________ and _______
drain the prairie.
​

Answer 1

Explanation:

The prairies in the USA are drained by the tributaries of Mississippi and the Canadian prairies are drained by the tributaries of Saskatchewan Rivers.

Answer 2

Answer:

The prairies in the USA are drained by the tributaries of Mississippi and the Canadian prairies are drained by the tributaries of Saskatchewan Rivers.