| Answer | Crossword Clue |
|---|---|
| litter | material used to absorb animal waste |
| landfill | Waste material used to reclaim ground in this way |
| landfills | Waste material used to reclaim ground in this way |
| sponges | A piece of a soft, light, porous substance originally consisting of the fibrous skeleton of such an invertebrate but now usually made of synthetic material. Sponges absorb liquid and are used for washing and cleaning |
| parchments | A stiff, flat, thin material made from the prepared skin of an animal and used as a durable writing surface in ancient and medieval times |
| parchment | A stiff, flat, thin material made from the prepared skin of an animal and used as a durable writing surface in ancient and medieval times |
