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5 per cent of the world’s water 15 percent of the world’s water 20 percent of the world’s water 50 percent of the world’s water
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5 percent of the world' s water 15 percent of the world' s water 20 percent of the world' s water 50 percent of the world' s water
acknowledgement commitment complement requirement
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5 percent of the world' s water 15 percent of the world' s water 20 percent of the world' s water 50 percent of the world' s water
raising the world's temperature only a few degrees would not do much harm to life on earth lowering the world's temperature merely a few degrees would lead many major farming areas to disaster almost no temperature variations have occurred over the past decade the world's temperature will remain constant in the years to come
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is fixing on has fixed on is being fixed on had been fixed on
Though the situation is not urgent, we should press forward with our marine research, Nations throughout the world must be provided with fish, fresh or frozen, for needed protein. There are enough fish in the U.S. seas to allow for the annual protein needs of a quarter of the world's 5 billion people. The oceans are the major source of the world's protein supply.
The author's father built a bonfire on VE Day. The author's father had fought in the First World. War. The author's father had fought in the Second World War. The author's father threw two chairs on the fire to keep it going.
feeds produces measures grows
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some of the word’s largest bears live lives some of the world’s largest bears do some of the world’s largest bears live live some of the world’s largest bears