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Janewantslearn Posted 12 years ago
Grammar
Please help me on understanding this sentence.
Hi. There is a sentence I am not sure about it. "That special combination could happen only by adding at least a billion tons of new methane into the atmosphere every year and at least twice as much oxygen." Does it mean it needs 2 billion oxygen to be added, or does it mean oxygen in the atmosphere should be doubled? Thanks a lot!
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2 Answers
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This is the way I read it:
That special combination could happen only by adding at least a billion tons of new methane and at least 2 billion tons of oxygen into the atmosphere every year ."
That special combination could happen only by adding at least a billion tons of new methane and at least 2 billion tons of oxygen into the atmosphere every year ."
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Hi, AlpheccaStars, Thank you very much for the help! I thought in the same way the first time I read it. But after I read it several times I feel confused. Having your support, I feel confident again:)
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