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.
Eating a healthy diet is important, but do you need to eat only healthy foods at every meal and every single day? Isn't a treat now and then OK? I certainly think so, and the Academy of Nutrition and Dietetics (AND) also supports the idea of eating certain foods in moderation. That means it's okay to eat something that isn't good for you as long as you only eat a small amount and/or not very often.