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Read the following text and interpret it. " More recently, scientists are discovering large volumes of methane under the frozen tundras of the far northern latitudes (mainly in the vast expanses of northern Russia). As global temperature increases, the ice in the tundra melts more. The methane that is trapped under the ice escapes into the atmosphere, increasing the global temperatures. In turn, this causes even more ice to melt, releasing even more methane, and so on. Methane is said to be even more powerful than carbon dioxide as a greenhouse gas. " |
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Answer» 1. Global warming has been increasing. 2. As global temperature increases, the ice in the tundra melts more. 3. The methane that is trapped under the ice escapes into the atmosphere, increasing the global temperature. 4. Methane is even more powerful than carbon dioxide as a green house gas. 5. Then it is our responsibility to reduce global warming. 6. This global warming leads to climatic changes. 7. Hence human activities that lead to global warming are to be reduced. |
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