Norwegian-English translations for omveksling

• alternation
  the alternation of day and night
  alternation of summer and winter
  alternation between night shifts and day shifts
• change
  The tadpole changed into a frog.   Stock prices are constantly changing
  The fairy changed the frog into a prince.   I had to change the wording of the ad so it would fit
  Ask the janitor to come and change the lightbulb.   After a brisk walk, I washed up and changed my shirt
• diversity
• interchange
  to interchange places
  to interchange cares with pleasures
  Holborn tube station is the only interchange between the London Underground Central and Piccadilly Lines
• variety
  Variety is the spice of life