Solve these clues to fill the grid.
- The natural world around us
- 3 Across
- A natural and periodic state of rest during which consciousness of the world is suspended
- 8 Across
- The state of being angry
- 9 Across
- An air force unit smaller than a squadron
- 10 Across
- Feeling of pressure or worry
- 11 Across
- Feeling of deep sadness that lasts a long time
- 12 Across
- A relatively permanent state of worry and nervousness occurring in a variety of mental disorders
- 14 Across
- Brick that is laid sideways at the top of a wall
- 1 Down
- Hopeful and optimistic; the opposite of negative
- 2 Down
- A piece of photographic film showing an image with light and shade or colors reversed
- 4 Down
- The gradual lengthening of inactive muscle or muscle fibers
- 5 Down
- Physical activity that keeps you fit
- 6 Down
- Lever that activates the firing mechanism of a gun (plural)
- 7 Down
- A hostile meeting of opposing military forces in the course of a war
- 10 Down
- The food and drink a person usually has
- 12 Down
- An overwhelming feeling of fear and anxiety
- 13 Down