Answer:
The International Date Line provides a standard means of making the needed readjustment: travelers moving eastward across the line set their calendars back one day, and those traveling westward set theirs a day ahead.
Answer:
In stage 2 they diverge , as the death rate falls relative to the birth rate. In stage 3 they converge again, as the birth rate falls relative to the death rate. Finally in stage 4 the death and birth rates are balanced again but at a much lower level.
Continental Rifts are called Continental Plate or Divergent Boundary or Convergent Boundary or Continental Drift.
Hoped I helped:D