Предмет: Алгебра, автор: dodokskdkxkkxskkw

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Автор ответа: ajngoarn
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The first means of travelling were animals, such as horses and camel.
But this kind of travelling is dangerous and exhausting, and it took ages to get to another town or country. The situation with sailing wooden ships wasn't better. Such ships went in the direction of the wind, so it was very difficult to steer it. Then hot air balloons were invented, but they were also slow and difficult in operating. Travelling became much easier and safer only when air liners, steam engine passengersand steamships were invented. They are still the most popular means of travelling because they help you to get to the opposite side of the planet in hours. However, in the last century modern ocean liners, express trains and speedy cars appeared which made travelling even faster.
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