{“questions”:{“rg399”:{“id”:”rg399″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:”1″,”image”:”https:\/\/www.eba.gr\/wp-content\/uploads\/2021\/10\/20720021088_f38210fd03_b-2.jpg”,”imageId”:”21320″,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”1. \u03a0\u03ce\u03c2 \u03bf\u03b9 \u03ba\u03c5\u03c8\u03ad\u03bb\u03b5\u03c2 \u03ba\u03b1\u03c5\u03c3\u03af\u03bc\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03c5\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1;”,”desc”:”\u038c\u03c0\u03c9\u03c2 \u03bc\u03b9\u03b1 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b1, \u03bc\u03b9\u03b1 \u03ba\u03c5\u03c8\u03ad\u03bb\u03b7 \u03ba\u03b1\u03c5\u03c3\u03af\u03bc\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03bc\u03ad\u03c3\u03c9 \u03bc\u03b9\u03b1\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03c7\u03b7\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03b4\u03c1\u03b1\u03c3\u03b7\u03c2, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ba\u03b1\u03bc\u03b9\u03ac \u03ba\u03b1\u03cd\u03c3\u03b7. \u03a3\u03b5 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b5\u03c2, \u03bf\u03b9 \u03ba\u03c5\u03c8\u03ad\u03bb\u03b5\u03c2 \u03ba\u03b1\u03c5\u03c3\u03af\u03bc\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c6\u03b8\u03b5\u03af\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b5\u03c6\u03cc\u03c3\u03bf\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9…

{“questions”:{“nglby”:{“id”:”nglby”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:”1″,”image”:”https:\/\/www.eba.gr\/wp-content\/uploads\/2021\/10\/20720021088_f38210fd03_b-2.jpg”,”imageId”:”21320″,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”1. How do fuel cells generate electricity?”,”desc”:”Much like a battery, a fuel cell produces electricity through an electrochemical reaction, which generates electricity without any combustion. Unlike batteries, fuel cells don’t wear out and continuously provide electricity as long as there’s a constant source of fuel…