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・農地の拡大や鉱山開発による草原の破壊 ・薪炭材の過剰伐採 ・過放牧(放牧される家畜数が増えて草地が劣化)🐏
むじーく地理
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO? Memorize
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