Which line represents 0° latitude?

Prime Meridian or Equator

Explanation: It's zero degrees latitude because it's the equator and it divided the Earth into two equal hemispheres (north and south).

1."lessen the worth of ."

2."increase the worth of."

3." beyond the worth of."

4."against the worth of ."

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.