It's either c or d. But I'd go with D.
Answer: The four levels are the literal, the metaphorical, the political, and the mystical levels. Reinhart brings these up because he uses them to describe the processes of the bread making.
Social health. So yeah, hope it helps.
One way in determining your fitness level is trying to do a Full Sprint Run and holding your breath for as long as you can. That way you can determine your cardiovascular capacity and lung capacity. On improving your fitness levels you should do swimming, jogging and of course a balanced diet.
Run the cutting board and knife through the dishwasher.