1. Which model uses birthrates and death rates to show changes in the population of a country or region.
A natural increase
B population explosion
C migration
D demographic transition

idk

explanation:

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.