Which of the following statements is true about piaget’s formal operational stage?
a)this stage is characterized by the ability to create a hypothesis and deduce its implications
b)this stage is characterized by the ability to reason logically about specific or concrete examples
c)this stage is characterized by the ability to classify things into different sets or subsets
d)this stage is characterized by the ability to logically combine relations to understand certain conclusions

Rachel wants to improve her body composition by reducing her bmi. she swims with her friends after school two days a week and eats a well-balanced diet. what else should she do to ensure that she properly applies all the necessary fitt principles in her plan? a. she should add more cardiovascular training and weight training to her exercise routine and eat several low-calorie meals throughout the day. b. she should increase her swimming workouts to five days a week and eat a high-calorie diet that equals 2,500 calories. c. she should add a few days of weight training to her exercise routine and consume 4,000 calories a day. d. she should eat a high-protein, low-carbohydrate diet and add five days of weight training to her exercise routine. select the best answer from the choices provided. a b c d mark this and return