020 WGEO FINAL EXAM uiz is accepting submissions until Thursday, December 17, 2020 at 10:15 am Question 10 of 50 | Page 10 of 50 Show instructions Question 10 The line of latitude at 60° 30'N that marks the boundary of the northern polar zone. Arctic Circle о а Ob Northern Polar Circle ос Southern Polar Circle Od Antarctic Circle Next Page Back