After 1869, J. Powell set sail to explore the colorado river and the grande canyons and once has a confluences with the colorado river and the market the place with the lines in yellow has to represent the unconformity of the zones and are a buried erosional and a non-depositional surface that separates the two rocks, masses into the two surfaces and thus indicate the sediments deposited are not continuous.
How are humans impacting different species on Earth? plus. Add answer+5 pts. report flag outlined. bell outlined. Log in to add comment. uriahcadirao is waiting.
