Seismometers are tools which measure motion in the ground including seismic waves generated by earthquakes, volcanoes, and other activities which might create seismic waves. Seismometers measure any movement of seismic activity in the earth and today this is done by electronic means whereby the machine measures any changes in seismic activity in the surrounding areas of the seismometer. The first seismometer is believed to have been invented by Zhang Heng of China's Han Dynasty in 132 AD.
Answer:
Answer are written below:
Explanation:
1) It is very important to have a universal method established to guide archaeological excavations because you have to planned out everything in order to find a method or a way to work through the study.
2) Understanding our past is important to our future because studying history enables us to understand the world better and the past gives us courage and protects us from harm.
3) It would be more challenging to be a prehistoric archaeologist as compared to historical archaeologist because historic archaeology is easier to study due to the presence in written form whereas Prehistoric archaeology is very difficult to study due to no written records are present.
4) I will work as an academic archaeologist as compared to cultural resource management (CRM) archaeologist because academic archaeologists are active researchers in their field which also published their work in the books, journals, and popular publications.
It’s e I believe that it is exactly
<span>Abolitionist John Brown leads a small group on a raid against a federal armory in Harpers Ferry, Virginia (now West Virginia), in an attempt to start an armed slave revolt and destroy the institution of slavery.</span>
