Question

• Which human action can change the course of a waterway?

1. polluting

2. digging canals

3. mining coal

4. making tunnels for railroad passage

Answer 1

The answer above is spot on, good job!

Answer 2

Digging canals

Step-by-step explanation:

Canals are defined as waterways. when you dig one, you change the path of where the water is going, making it go through the canal rather than the original path; therefore changing the course of a waterway.