Why is the decomposition rate of litter a determining factor for maintaining net primary production (biomass) in a given ecosystem? Remember the C / N ratio in the soil-vegetation system.

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