Why would athletes use sets and reps in their training sessions?

Athletes use sets and reps in their training because they need to know the exact amount of training they need to do because too much and too little is bad.

Explanation:

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

i'd say that the moon rock is about 2.2 billion years old.