【Daily Question No. 68】January 18, 2016: +2 wealth for participation, +3 wealth for a correct answer

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This post was last edited by dlutyj on 2016-1-18 at 08:25. To boost activity in the food section, a daily question activity will be launched starting today: participants earn +2 wealth points, and those who answer correctly receive an additional +3 wealth points. This initiative aims to enliven the atmosphere of this section, spread basic knowledge about food, and offer certain wealth rewards to users. (Multiple choice) The main component of human hair is (), and therefore, it is necessary to ensure an adequate intake of this nutrient through daily diet in order to maintain healthy hair. A. Proteins B. Calcium C. Carbohydrates D. Fats Please reply with the answer you think is correct; participating in the quiz earns +2 wealth points. Getting all answers right adds another +3 wealth points, and additional rewards will be given for providing detailed explanations or analyses of the questions and answers. Note: We will close this post after 24 hours. Outside of answering questions, I hope everyone can share their suggestions~ Feel free to express any ideas regarding the daily question or anything else~