The Earth's climate changes. It is vastly different now from what it was 100 million years ago when dinosaurs dominated the planet and tropical plants thrived in high latitudes. It is different from what it was even 18,000 years ago, when ice-sheets covered much more of the northern hemisphere. In the future it will surely continue to evolve. In part the evolution will be driven by natural causes, such as slow changes in the Earth's orbit over many thousands of years. But further climatic change, unlike that of the past, will probably have another important source as well: human activities.
The writer says that-.
The writer says that-.
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The changes in the past were caused by natural causes as well as human activity.
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The changes in the future will be caused as much by human activity as natural causes.
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The changes in the past were caused as much by human activity as by natural causes.
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The changes in the future will be caused less by human activity than by natural causes.
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Animals are smarter than human.
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Animals have certain instincts that human doesn't prossess.
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By running around the house, they can feel the vibrations.
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Human doesn't know where to look.
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An animal has sharper ear than human.
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Some animals may be able to sense and approaching earthquake.
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By observing animal behavior, scientists perhaps can predict earthquakes.
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The Chinese have successfully predicted an earthquake and saved many lives the quake.
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All birds and dogs in a ten-kilometer radius of the epicenter went wild before the quake.
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The Chinese Government was able to evacuate millions of people and thus keep the death toll at a lower level in 1976.
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Flying outside the window, he grabbed the papers.
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Flying out of the window, he grabbed the papers.
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Flying the window, the papers were grabbed him.
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Flying out the window, the papers grabbed by him.
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ঙ
Flying out the window, the papers were grabbed by him.
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Let the grass be keep off
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Let keep off the grass
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Do not keep of the grass.
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The grass should be keep off
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You are requested to keep off the grass
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trivial
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integral
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complicated
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ultimate
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With, for
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for, in
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on, to
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for, to
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