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.
8.75%. The sales tax in Concord is 8.75%, which is higher than average for cities in Contra Costa County (8.25%) and higher than average for California (7.75%). Concord is one of 40 cities in Contra Costa County with a distinct sales tax as listed by the California Board of Equalization. See all cities in Contra Costa County