Which two factors could increase the carrying capacity of an ecosystem? an increase in immigration and birth rate a decrease in habitat size and death rate an increase in available water and space a decrease in food supply and predation

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