| Answer | Crossword Clue |
|---|---|
| updraft | an upward movement of gas (as air) |
| updraft | an upward movement of air |
| updrafts | UPDRAFT, an upward movement of air |
| trim | adjust (as an airplane or submarine) for horizontal movement or for motion upward or downward |
| saltations | The movement of hard particles such as sand over an uneven surface in a turbulent flow of air or water |
| scuba | an apparatus utilizing a portable supply of compressed gas (as air) supplied at a regulated pressure and used for breathing while swimming underwater |
| mixtures | The charge of gas or vapor mixed with air that is admitted to the cylinder of an internal combustion engine, esp. as regards the ratio of fuel to air |
