Answer:
Man-made explosion and earthquakes.
Explanation:
A seismic wave is an elastic wave generated by an impulse such as an earthquake or an explosion.
The last two options I'm pretty sure
Dictatorship
In a dictatorship the dictator controls everything and needs to control all information that is released to the public to prevent things like uprisings to stay in power.
llithosphere hydrosphere stratosphere
A wetlands is correct but b is a bad answer
