In the diagram, above, marker d is pointing to a which is a landform that forms when a river slows down as it flows into an ocean or lake. as the river slows, it drops its sediment load, gradually creating a network of small channels and islands.

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.