问题
问答题
Every year, humans churn out 8 billion tons of carbon dioxide, almost all of which goes straight into the atmosphere.
答案
参考答案：
解析：每年，人类排放80亿吨二氧化碳，几乎全部直接进入大气。
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Every year, humans churn out 8 billion tons of carbon dioxide, almost all of which goes straight into the atmosphere.
参考答案：
解析：每年，人类排放80亿吨二氧化碳，几乎全部直接进入大气。