Is the process or Trend by which nation states and National identities lose their importance relative to across nation in self-organized or super National and Global into these
The width is 60 because since the length is 80 you can add 80 and 80 and get 160.
When you get 160 you subtract it from 280 the perimeter.
280-160=120
120÷2=60
60 is the width.
Hope it helps.
The Teton Mountains in North America are a result of normal faulting. A graben forms when a block of rocks falls between two faults.