Briefly explain how greenhouse gases, carbon dioxide in particular, can absorb and radiate heat inside earth’s atmosphere and thereby contribute to the greenhouse effect.

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What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

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