| Label | Id | |
|---|---|---|
| Chlorinated | Chlorinated | |
| Chloroethene | Chloroethene | |
| Clay | Clay | |
| Cnidaria | Cnidaria | |
| Coastal | Coastal | |
| Composting | Composting | |
| Contaminated | Contaminated | |
| Control | Control | |
| Coral | Coral | |
| Crop | Crop | |
| Cuticle | Cuticle | |
| Desert | Desert | |
| Dinoflagellates | Dinoflagellates | |
| Duodenal | Duodenal | |
| Echinodermata | Echinodermata |