Answer:
The answers are bricks were used in buildings and they had sanitation systems.
<span>Kim Jong-un is the Chairman of the Workers' Party of Korea and supreme leader of the Democratic People's Republic of Korea, commonly referred to as North Korea. Kim is the third and youngest son of Kim Jong-il and his consort Ko Yong-hui.</span>
Answer:
The correct answer would be option D, Because of the nature of digital signals are immune to noise and imperfections.
Explanation:
Analog signals are the signals which changes over time. Analog signals consists of continuous waves, where as a digital signal is a discrete wave which transfers data in the form of 0 and 1, which is called the binary form.
Analog signals are subjected to deterioration while transmitting data from one point to another, whereas digital signals are immune to noise and imperfections. Digital signals have noise immunity and less susceptibility to interference caused by noise during the transmission of data.
