3: A mixture of gases required for breathing.
9: A ridge of sand created by the wind; found in deserts or near lakes and oceans.
10: Synonym of 'educated'
12: Plural form of 'lake.'
14: To have been standing.
15: 'He is the fire ______. He is in charge of all the firemen.'
19: An adult female person.
20: A deposit on the earth of hail, mist, rain, sleet, or snow; also, the quantity of water deposited.
22: The chemical element in the Periodic Table having the symbol 'Ar'
24: Something you can build in a tree.
25: A form of address for a married woman.
26: A mental state characterized by a lack of clear and orderly thought and behavior.