Answer:
4) he invented the bessemer process, he patented the telephone
Explanation:
Alexander Graham Bell has had huge influence on the development of the industry in the United States and later in the world. This scientists managed to invent the telephone, and of course patented it. By inventing the telephone, Alexander Graham Bell made an impact on the industry and the society probably as he never would have imagined. The telephone enable the people to communicate with each other despite being separated physically by long distances, and the communication was almost at real time. This made life easier for lot of people tat lived far away from the families and friends. The industry too benefited a lot, as it was able to communicate with all sectors immediately and get the job done, instead waiting for letters or telegraphs to reach a certain sector, or talk in person.
After Ghana fell because of invading forces and internal disputes, Mali rose to greatness under the leadership of a legendary king named Sundiata, the "Lion King." Later, another great leader named Mansa Musa extended the empire. ... As Mali's power waned, Songhai asserted its independence and rose to power in the area.
Answer:
Chemical bonds are the forces of attraction that tie atoms together. Bonds are formed when valence electrons, the electrons in the outermost electronic “shell” of an atom, interact.
Florence enjoyed a flourishing of the arts in the 1400s. Many artists moved to Florence because there was a market for the purchase of their artwork. The upper and middle class of merchants and bankers were very wealthy and they wanted to enjoy the pleasures of life on earth, not just focus on the afterlife. This created a gap in the market for quality artworks and music concerts etc. Artists, musicians and poets moved to Florence to fill this gap in the market.
