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.
1 Colored Cauliflower is available in green (also known as Broccoflower), purple and orange varieties. 2  Although it may look different than the popular white cauliflower, the taste is just the same: mild, sweet and nutty. 3  The orange and purple cauliflower are higher in antioxidants than regular white cauliflower. The orange and purple cauliflower are higher in antioxidants than regular white cauliflower. 2  Purple cauliflowerâs true origin is not known, but the purple color is natural. 3  It is the antioxidant anthocyanin that gives it the purple pigment.