The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth Furnace .the key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron
Their purpose was to obtain large tracts of land in Kentucky and Middle Tennessee from Indian tribes.
Answer:
Formaldehyde can be added as a preservative to food, but it can also be produced as the result of cooking and smoking. Formaldehyde also occurs naturally in the environment. Humans and most other living organisms make small amounts as part of normal metabolic processes. Formaldehyde is also a byproduct of combustion. When burning natural gas, kerosene, gasoline, wood, or tobacco, formaldehyde is produced. Automobile exhaust is a common source of formaldehyde in our environment. Tobacco smoking in the home is another source of the chemical in the indoor environment.
Explanation:
Answer:
The steerage accommodations were considered worst because they caused serious illness among the travelers.
Explanation:
Steerage was used as accommodation in ships for the passengers in the 1990's but it is considered as one of the worst accommodations because of several reasons. Steerage accommodation was the cheapest accommodation. The people of this accommodation were at the bottom of the ship and below the water level. The rooms had to be shared by the passengers and got very bad quality food and had to share washrooms. Also, the steerage accommodations were very dirty with no cleaning maintenance. Due to these conditions, the travelers got ill.
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