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The map that is given gives you a hint to what the answer is. On the legend it states the hint, "people per km²". This tells us that the map shows the population density in South America. A population density map shows which areas have the most people to least people.
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Answer: The major difference between the two revolutions was the extent of their respective impacts. While the effects of the 1905 Revolution were limited to Russia, the 1917 revolutions changed the entire world, primarily for the worse.
Explanation:
Answer: instant communication over distance through speech
The telephone is a device that permits two or more persons to have an instant communication over distance through speech. It was an innovation made possible by Alexander Graham Bell. He worked at a school for the deaf and it was his focus on speech, hearing and amplification led to its invention in 1876.
