1. | The process of greenhouse effect
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2. | The atmosphere【大氣層】 is a natural greenhouse. Greenhouse gases in the atmosphere such as _______________ water vapour, _______________ carbon dioxide, methane【甲烷】 and nitrous oxide【氧化亞氮】 absorb【吸收】 _______________ heat from the Earth. |
3. | The level of greenhouse gases【溫室氣體水平】 has increased markedly【明顯地】 since 20th century, resulting in _______________ global warming, which causes【導致】 _______________ climate change. |