Review webs from class

Agriculture Web https://docs.google.com/fileview?id=0B-BQjKHZUAf6ZDJkMTRkN2YtMDM4NC00MjUwLThlZGQtNTE2Zjc0OGE2NWFi&hl=en

Hunter/Gatherer Web https://docs.google.com/fileview?id=0B-BQjKHZUAf6ZTBlZTlkNDMtNzA4NC00YjlmLThmMDktY2MzN2IyNjE2Njkx&hl=en