<span>River valleys
this was ask a week ago but I hope I helped someone :')</span>
Hello!
Classification of organic sedimentary rocks is that they are made up of fossils. They are made of parts of some dead animals bones, and shells. When they are together after a period of time the become rock, also known as organic sedimentary rocks.
Hope this helps you! :)
Topographic maps are a type of map that show the relief of an area using contour lines to highlight elevation changes. Topographic maps have multiple uses from individuals who go hiking and orienteering to higher level uses in the fields of mining or civil engineering. Other fields which use topographical maps are geologists or architects or engineers constructing large scale architectural projects.
