Well, examples of organic matter include plant residues such as lawn clippings, leaves, corn stalks and straw, manures, sludges, wood and food processing wastes, and green manures (plants grown for the purpose of incorporation into the soil).
So, I hope this helps:)
Economic aspect focuses on the integration of global economies as well as flow of trade and capital across nation borders. ... Culture includes value, belief, tradition, and norm
Tectonic plates colliding. like himalayas