4. the required minimum cooking temperature for ground beef is 155°f (68°c). why must ground beef be cooked to this temperature?

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.

the answer is c, the development of reading and writing in young children

this is true. vitamins and minerals wounds heal and boost your immune system so you don’t get as sick.