Why do we get old and die

If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%

Anna’s mother prepares sauerkraut, a fermented dish made from finely cut cabbage and salt. lactobacillus bacteria present on the surface of the cabbage combine with salt to turn the cabbage into a crunchy, sour dish. what chemical process occurs to create this dish? a. alcoholic fermentation b. cellular respiration c. conservation d. lactic acid fermentation e. photosynthesis

Which food would provide you with the most calcium?