9. Channels that are part of the Intracoastal Waterway are identified by __ symbols on channel buoys and markers. a red b yellow C green

## Step 1<br />The Intracoastal Waterway is a navigable route along the Atlantic Ocean coast of the United States. This waterway is marked by specific symbols on channel buoys and markers to identify the channels that are part of the waterway.<br />## Step 2<br />The question asks us to identify the color of these symbols. The options provided are red, yellow, and green.<br />## Step 3<br />According to the U.S. Coast Guard, the color of the symbols used to mark the channels of the Intracoastal Waterway is yellow.