Ice wedging and abrasion
putting trash in the water and piping sewage water in oceans
Salt water is a homogeneous mixture or a solution.
<h3>Questions: </h3>
What does a knickpoint indicate on a river profile
<h3>Answer: </h3>
A knickpoint is a steep section of a river's profile that can range in size from a single waterfall to a multi-kilometer high-gradient region.