Those elements are:
sulphur
chlorine
argon
neon
carbon
oxygen
helium
silicon
calcium
hydrogen
nitrogen
sodium
fluorine
lithium
aluminum
9 of these elements were known during BCE periods. The knowledge of these basic elements is enough for humanity to start the industrial revolutions by leveraging and combining one elements with another as a catalyze to be included either as ingredient of the products or to speed up the production process.
The correct answer is George Washington. The first President and one of the Founding Fathers of the United States served two consecutive terms between 1789 – 1797, formed several executive cabinets (<em>Departments of War, Treasury, and the State Department. Additionally, appointed the Attorney General and Postmaster General in 1789</em>), and, at the end of its second term, he chose to retire.
2. The answer be 2. Swag money
Answer:
"The Condition of the Working Class in England" is a profoundly important book because it reveals the raw empirical data that confronted the young Engels. Out of the panorama of misery and class oppression that he observed in England in the 1840s, he came to the conclusion that proletarian revolution was necessary.
