Please only answer if you know the correct answer, please.

How does Green Cities ensures water storage?

Green cities build underground filtration system that collects water from rooftops and stores it beneath roads to be reused.  

they were chasing the bread.

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.