Protein and carbs both give 2 kcal/g to nearest whole number in opening section of Wikipedia Food Energy article

Created by KnaveOfAllTrades on 2015-02-26; known on 2015-02-26; judged wrong by KnaveOfAllTrades on 2015-02-26.

• KnaveOfAllTrades estimated 61% on 2015-02-26
• KnaveOfAllTrades   judged this prediction wrong on 2015-02-26.