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Jobisdone [24]
3 years ago
7

¿para que sirve y como funciona rl periscopio de un submarino?sirve para

History
1 answer:
sweet [91]3 years ago
6 0
Un periscopio es un instrumento para la observación sobre, alrededor oa través de un objeto, obstáculo o condición que impide la observación directa de la línea de visión desde la posición actual de un observador. En su forma más simple, consiste en una carcasa exterior con espejos en cada extremo, paralelos entre sí en un ángulo de 45 °.
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Personal liberties were among the key ideas of the American Revolution. Given this fact, why did slavery continue after the Amer
Ostrovityanka [42]
The most important reason was economical: slavery was profitable for slave owners in the South, and they were against its abolishing. The southern plantations were very work -intensive, so a lot of work was needed and slave labour was a very cheap source of labour that the owners didn't want to give up upon.
the correct answer is <span>B. The Southern plantation economy depended on slavery. </span>
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4 years ago
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Why did the industrialized nations build transcontinental railroads
AnnZ [28]

The industrialized nations build transcontinental railroads because of economic reasons, transportation, and travelling.

Explanation:

The industrialized nations are the most developed nations in the world. In order for these countries to further develop, and to function even more smoothly, they have engaged into numerous projects, and one of those projects has been the building of transcontinental railroads. These types of railroads managed to increase the connectivity throughout the nations, or between several nations.

The benefits of the transcontinental railroads can be seen in several things. The economy benefits greatly from them, because the trains are able to carry the most goods on land, and it is also the cheapest manner. The people are able to move on large distances very quickly, with the newest trains being able to reach speeds of 400, 500, and even 600 km/h. Countries that have built such railroads are:

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Learn more about the first American railroads brainly.com/question/13015908

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6 0
3 years ago
REALLY QUICK QUESTION! EASY 10 POINTS:)
dlinn [17]

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Margaret [11]

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