Answer:
C.Wet soil absorbs heat more quickly, due to water's high heat capacity.
-- so that other scientists can reproduce your experiment in their labs
-- so that when you go back and read your own experiment next year,
you'll be able to remember and understand what you did
This usually occurs when masses of air push against each other, but neither one of them if powerful enough too push the other one away! Hopefully that’s right and it helps, not sure if it’s the full explanation tho :)