Solve these clues to fill the grid.
- A necessary or essential thing
- 2 Across
- A body of students who are taught together
- 3 Across
- Having or producing a comfortable and agreeable degree of heat or imparting or maintaining heat
- 7 Across
- A duty that you are ___ to perform
- 9 Across
- Whether it's rainy, sunny or windy outside
- 10 Across
- Low in temperature; also a sniffly illness
- 12 Across
- The act of retaining something
- 15 Across
- A productive insight
- 16 Across
- A static photograph
- 1 Down
- An indefinite or unknown location
- 4 Down
- The fielding position of the player on a baseball team who is stationed at ___ of the bases
- 5 Down
- An area where many people go for recreation
- 6 Down
- A city in southeastern France on the Mediterranean
- 8 Down
- The act of testing something (plural)
- 11 Down
- In the area or vicinity
- 13 Down
- A flexible container with a single opening
- 14 Down
