Answer:
Time of service
Explanation:
Might be wrong but at leased I tried
Explanation:
Huang He floods, (1887, 1931, 1938), series of devastating floods in China caused by the overflowing of the Huang He (Yellow River), the country’s second longest river. These three floods collectively killed millions and are considered to be the three deadliest floods in history and among the most destructive natural disasters ever recorded.
Zoologist
Alfred Charles Kinsey was an American biologist, professor of entomology and zoology, and sexologist who in 1947 founded the Institute for Sex Research at Indiana University
In telecommunication, it is hard to deal with as it involves communication and interactions with other people. The major concern about employees and managers is that because of it's difficulty, it makes managers lose their control to their employees that could complicate things and affect the people working in the area. That is why it is the major concern in telecommunication.