Please help am timed! Which is the least commonly suggested method for preventing musculoskeletal diseases and disorders?

low-impact strengthening and resistance exercises
healthy and regular sleeping habits
diet of nutritious foods, such as fruits and vegetables
awareness of side effects of medications

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars