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:
a. to store information about the world and convey that information
Explanation:
The maps have been of interest for the people since very long time ago, and there are lot of evidence about created since several thousand years ago. Initially the maps were much simpler, not very accurate, and they represented smaller areas. As the technology was developing and the people were discovering more and more of the world, the maps were becoming more precise and more complex. In order to be able to represent things properly and in a manner that they can be practical and easy for usage, lot of different types of maps have been created over time, and each of them represents certain characteristic of the world.
Lapita and then Polynesians. :) Hope this helped.
The correct answer is the Richter scale
Mercali is used to measure damage created by the earthquake, while the remaining two are not scales of measurement.
Weathering,Erosion,Deposition
