Solve these clues to fill the grid.
- The color of coal
- 2 Across
- A brittle transparent solid with irregular atomic structure (plural)
- 4 Across
- Imprecise but fairly close to correct
- 5 Across
- A duty that you are ___ to perform
- 7 Across
- The location of something surrounded by other things
- 9 Across
- Having ___ or waves
- 10 Across
- The extremity of the superior limb (plural)
- 11 Across
- A body of students who are taught together
- 1 Down
- United States country singer and songwriter
- 3 Down
- An exchange of ideas via conversation
- 6 Down
- A room or building equipped with one or more ___
- 8 Down
- Strands that grow on your head
- 11 Down
