1: Involving or causing danger or risk; liable to hurt or harm; chemicals can be ______ unless you know what you're doing.
2: Athletic facility equipped for sports or physical training
12: An expenditure, effort, or loss; 'It ______ more to live in the city.'
19: Study of the earth's surface.
21: Past tense of 'save.'
24: A number or letter indicating quality, especially of a student's performance.
25: A line of railway cars coupled together and drawn by a locomotive.
31: Hauling something by means of a hitch or rope.