Science P6 HPPS 2018 SA1 Q24

Myra wanted to find out how the presence of wind affects the rate of evaporation of water.
Set-upExposed surface area of water in container (cm2)Volume of water in container (ml)Temperature of surrounding air (ºC)Wind
A15032027present
B6030035absent
C6032027present
D15032027present
Which two set-ups should Myra use so that her investigation is a fair test?