Which is one way that skin protect the body from infection? a) skin directs sensory messages. b) skin keeps mucus out of the body. c) skin keeps germs out of the body. d) skin produces complement proteins. direct answer .

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