Solve these clues to fill the grid.
- Undesirable state of the natural environment being contaminated with harmful substances as
- 3 Across
- Having an elastic texture resembling ___ in flexibility or toughness
- 4 Across
- Someone whose occupation is catching fish
- 5 Across
- At risk of becoming extinct.
- 8 Across
- Huge body of salt water (plural)
- 10 Across
- Oval foods laid by hens
- 12 Across
- Any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming (plural)
- 1 Down
- The number of inhabitants in a given place
- 2 Down
- Street names for flunitrazepan (plural)
- 6 Down
- Large siphonophore having a bladderlike float and stinging tentacles
- 7 Down
- To cover completely or make imperceptible
- 9 Down
- A trap made of netting to catch fish or birds or insects (plural)
- 11 Down
