There are three main types of plate boundary: divergent, convergent and transform. Plates move away from one another at divergent boundaries. This happens at mid-ocean ridges. Plates move towards one another at convergent boundaries; one plate is forced below another in a process called subduction.
The skin of a Concord grape is typically dark blue or purple, and often is covered with a lighter-coloured epicuticular wax bloom that can be rubbed off. It is a slip-skin variety, meaning that the skin is easily separated from the fruit. Concord grapes have large seeds and are highly aromatic.
Concord, Massachusetts. Concord (/ËkÉn.kÉÉ¹d/, locally /ËkaÅ.kÉÉ¹d/) is a town in Middlesex County, Massachusetts, in the United States. At the 2010 census, the town population was 17,668. The United States Census Bureau considers Concord part of Greater Boston.