To do a works cited list properly, it should O include all of the sources used in the essay.
O include the URL of any websites used in research.
O never include an item if it has an unknown source.
O include the titles of the sources in alphabetical order.

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)