I think the answer is d)airplanes were strong enough to withstand the winds and cold.
It was difficult to travel through ship because of the climate and geographical conditions in Antarctica. They had to travel using good aircrafts that can handle strong and cold winds. Machines were also used to explore the area.
indoor plumbing and hygeine practices
The KoL was an organization founded by Uriah Stephens in 1869. It accepted skilled and unskilled workers, women, and people of any race, unlike many other labor unions. They fought for eight-hour workdays and equal pay for women.
The AFL was a labor union that only allowed skilled workers to enter, so no women or people of other races. It was founded by Samuel Gompers in 1881, and it focused on getting better working conditions for the working class. They used collective bargaining to gain higher wages and shorter workdays.
The Roman legions, which were columns of roughly five-thousand men a piece, were greatly beneficial to the Romans because they were able to maneuver more freely around enemy forces, which were usually condensed into a single unit.
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The required fill-up is access to a public sewer.
Public sewer:
- We own and maintain the public sewers, which are frequently found in the front, side, or back of residential houses (shown as pink pipes in the illustration below). Sewers that service a single property but are shared by two or more properties, or that serve a single property but are outside of the property line, are almost always considered public.
- A sewer is a pipe that connects to multiple properties. Public sewers are sewers that are connected to the public sewer network.
- A sewer that is managed by public authorities and in which all owners of neighboring properties have equal rights is referred to as a public sewage.
- Before you may join, you must receive permission to discharge waste into the public sewer. The section 106 application forms are often available on the website of your local water authority. This application is sent directly to your local water authority.
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