<span>Seismic waves are the waves of energy caused by the sudden breaking of rock within the earth or an explosion. They are the energy that travels through the earth and is recorded on seismographs.
Source: OS</span>
They were loosing their lands that's why we can choose a) weak leadership
Answer:
- Pantograph is the instrument used fir enlargement and reduction of maps with accuracy.
<h3>Hope this helps you XD ✌️</h3>