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1.Earth has warmed by about 1ºF over the past 100 years. But why? And _____1_____ ? Well, scientists are not exactly sure. The Earth could be getting warmer on its own, _____2_____ many of the world’s leading climate scientists think that things people do are helping to make the Earth warmer. Global warming refers to an average increase in the Earth’s temperature, _____3_____ in turn causes changes in climate. A _____4_____ Earth may lead to changes in rainfall patterns, a rise in sea level, and a wide range of impacts on plants, wildlife, and humans. When scientists talk about the issue of...
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1.Earth has warmed by about 1ºF over the past 100 years. But why? And _____1_____ ? Well, scientists are not exactly sure. The Earth could be getting warmer on its own, _____2_____ many of the world’s leading climate scientists think that things people do are helping to make the Earth warmer. Global warming refers to an average increase in the Earth’s temperature, _____3_____ in turn causes changes in climate. A _____4_____ Earth may lead to changes in rainfall patterns, a rise in sea level, and a wide range of impacts on plants, wildlife, and humans. When scientists talk about the issue of climate change, their _____5_____ is about global warming caused by human activities. It is because they are sure about the danger of the green houseeffect.