Sedimentary rock layer is the most complex
The answer is C. Earth's tilt and orbit. Hope I helped!
Im pretty sure that it is...It is low in silica.
Hope this helps.....
The factors that contributed to the environmental problems which exist in Europe was that B. Much of Europe is densely populated.
because in the inner core ,the pressure in the core is also higher,and you can have solid inor-nickel instead of liquid