Solve these clues to fill the grid.
- A soft heavy toxic malleable metallic element
- 4 Across
- Clear liquid we drink that falls as rain
- 5 Across
- Fine powdery material such as dry earth or pollen that can be blown about in the air
- 7 Across
- Young people
- 8 Across
- An odorless very poisonous gas that is a product of incomplete combustion of ___
- 10 Across
- A fully developed person from maturity onward (plural)
- 12 Across
- How well your body and mind are doing
- 13 Across
- Lever that activates the firing mechanism of a gun (plural)
- 15 Across
- Any standardized procedure for measuring sensitivity or memory or intelligence or aptitude
- 16 Across
- The planet we live on
- 1 Down
- A chemical used to kill pests (plural)
- 2 Down
- Undesirable state of the natural environment being contaminated with harmful substances as
- 3 Down
- Carcinoma of the ___
- 6 Down
- Energy that travels in waves or particles
- 9 Down
- Hypersensitivity reaction to a particular ___ (plural)
- 11 Down
- A domesticated animal kept for companionship or amusement (plural)
- 14 Down