Answer:
Seismometer
Explanation:
The Han dynasty was established by Liu Bang a rebel and ruled by the house of Liu. This lasted from 202 BC - 220 AD, and it was the second imperial dynasty of China.
The seismometer was created by Zhang Heng a Chinese astronomer in the year 132 AD. This device can detect the ground's movement during an earthquake, showing the direction of the earthquake no matter the distance.
I don’t see multi-way choice but here’s an explanation
Because Democrats are associated with socialism while republicans want more independence. You see that in political examples.
Democrats want gun control I.e. federal government being involved
Republicans are against abortion
I.e. they don’t want the government to pay for Medicare/paid leave/etc. they don’t want the government involved as much-making them independent.
Answer:
irrigation
Explanation: Irrigation was the process of pulling water away from the main source of water using small man made trenches. Irrigation has been used for thousands of years even by the earliest civilizations. Irrigation can be used to bring drinking water into a city but it is used mostly to water crops. Sadly Irrigation will eventually destroy the Lakes,Rivers, or even seas that are being irrigated from, take the Aeral Sea for example, once a beautiful sea full of water is now nearly an empty sand bed all due to extensive irrigation.
Between 1841 and 1850 Ireland should be first and then Germany.
