Spot the intruder

Exercise and reference answers

Questions

1. Items

   1. Wind
   2. Salinity
   3. Earth's rotation
   4. Altitude

   Odd item

   Altitude

2. Items

   1. Latitude
   2. Altitude
   3. Aspect
   4. Tsunami

   Odd item

   Tsunami

3. Items

   1. Tides
   2. Waves
   3. Ocean currents
   4. Lapse rate

   Odd item

   Lapse rate

Instructions

Three belong together. Tap the one that does not.