reading a book about farm fields making a weather prediction for the forests measuring the wind speed at both locations recording the temperatures at both locations
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A hiker wants to know if air is warmer in a forest than in the nearby farm field. Which activity would best help the hiker find out which area is warmer?
Possibilities:
- reading a book about farm fields
- making a weather prediction for the forests
- measuring the wind speed at both locations
- recording the temperatures at both locations

recording the temperatures at both locations