A free geography workbook with a total of 3300 questions, including 1000 multiple-choice questions and 2300 single-question-answer questions. Four-choice questions are given in six fields: "Asia and Oceania", "Europe", "North and South America", "Africa", "Japan", and "Geography Trivia". The questions are ``East Asia'', ``Oceania'', ``Europe'', ``North America'', ``The climate of the world and Japan'', ``Japan's industry, industry and economy'', ``Japan's agriculture, forestry and fisheries'', `