Answer:
Light Bulb and Electricity.
Explanation:
In the 19th Century, many inventions changed Americans' lives but the invention of Electricity and the Light bulb was the most essential. Electricity brought about many inventions like the telephone, the telegraph, etc. Thomas Edison was credited for the invention of the Light bulb. The creation of which changed Americans' lives socially, economically, and also society's structure. It led to the making of home appliances.
#1) What is the name given to the president's group of advisors?
Answer: The Cabinet is the group designed to advise the president. Established in Article II, Section 2 of the Constitution. The Cabinet includes the vice president and the heads of 15 executive departments.
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Answer:
I believe it is presidential Democracy due to the fact the citizens elect the ruler/president.
Explanation:
Because by creating hybridization of orbitals you get lower than in plain bonding.