Main Idea 1

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Main idea of paragraph 1

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One of the most far-reaching inventions of the twentieth century is the computer.

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Synonym for complicated:

Back

difficult

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Synonym for 'handle':

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process

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Paraphrase: "They are used in business, education, government, industry, and science."

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They are utilized at work, school, in the political arena, technical fields and science.

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Some life forms adapt to change better than others. Humans can survive in diverse environments, from tropics to Arctic. They create tools for adaptation. Specialized beings like mosquitoes and bamboo thrive only in specific climates; they perish if conditions are unfavorable.

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Some forms of life adapt to change more readily than others.

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Synonym for readily:

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easily

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Meaning of "frigid" in paragraph 2:

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cold

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Soybean has many uses as food.

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As a food, soybean has many uses.

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The word extensively means:

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widely

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Fossils form where a plant or animal died and fell into sand or clay at the bottom of a lake or swamp long ago.

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Fossils have formed where a plant or animal died and fell into the sand or clay at the bottom of a lake or swamp long long ago.