Answer:
1) True
2) False
3) True
4) True
5) True
Explanation:
1) No doubts. It was an electric revolution. Until the arrival of the electric light, in addition to being poorly lit, in the houses there was a risk of fire and pollution. So when the light came with the turn of the century, that change affected not only everyday life but also industry and all aspects of contemporary society.
2) it was Nicola Tesla
3) Yes. The companies agreed to divide the continent into four time zones; the dividing lines adopted were very close to the ones we still use today
4) It was a great monopoly
5) Andrew Carnagie bought rival companies and pioneered the use of an economical and efficient method to convert iron into steel on an industrial scale. That was how Carnegie's company came to dominate steel production in the US.
Answer:
Explanation:
The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).
Zheng He's first voyage (1405-1407) began in July 1405. They set sail from Liujiagan Port in Taicang of Jiangsu Province and headed westward. The fleet had about 208 vessels total, including 62 Treasure Ships, and more than 27,800 crewman. They traveled to present day Vietnam.
Answer: Rus (Vikings)
The first Russians were from Kievan Rus, and they were called Rus. Later, the Vikings invaded/conquered Kievan Rus's European area, but it remained in far Asia until the Mongols invaded from Asia.
Hope this helps!
