After looking at the photograph given above, one sedimentary rock that probably metamorphosed to form rock on unit 6 is called limestone. You can also use the sedimentary rock called dolostone. Both will be acceptable answers to this question.
Subduction occurs between two colliding tectonic plates
Answer:
humus
Explanation:
Humus is one of the organic matter that helps soil fertile.
Answer:
Is there any answer choices to this question so I can see if I'm able to help