The first diagram shows the basic checkmate position with a rook, which can occur on any edge of the board. The black king can be on any square on the edge of the board, the white king is in opposition to it, and the rook can check from any square on the rank or file (assuming that it can not be captured).
Why are vitamins necessary in diet? vitamins are essential in diet because they prevent diseases such as rickets,osteomalacia ,scurvy. vitamin d promotes absorption of calcium and phosphorus compounds from intesâ¦tines and enables the body to use these in formation of teeth and bones.
Bones contain a lot of calcium. It is important to get enough calcium in your diet. You can get calcium through foods and/or calcium pills, which you can get at the grocery store or drug store.Getting calcium through food is definitely better since the food provides other nutrients that keep you healthy.ones contain a lot of calcium. It is important to get enough calcium in your diet. You can get calcium through foods and/or calcium pills, which you can get at the grocery store or drug store. Getting calcium through food is definitely better since the food provides other nutrients that keep you healthy.