I think it is the first one
Less;less
warm air is less dense as you can see in the case of air just above fire. air becomes warm and moves upward..
warm air holds less moisture as in winters you can see mist die to the vapours present in cold air.
in summers there is less moisture when air is warm..
it is so because hot air has more energy n water vapours spread out...
HOPE IT HELPS YOU '_'
C if I believe the correct answer
I think it is " Florida is a peninsula made of limestone." ( I might not listen to me if i were you though, butt you could just take a chance.)