Subject |
---|
damage to the ozone layer [1] |
damaging of the environment [1] |
Dandelion [1] |
Danger chemical acents [1] |
dangerous chemical substances [1] |
dangerous elements [1] |
dangerous substance [1] |
daytime butterfly [1] |
DDT [1] |
deadening of buildings [1] |
decarboxylation [2] |
dechlorace [1] |
dechlorination [1] |
decomposition [1] |
decrease of oil substance pollution [1] |
Deforestation [1] |
defosforizace [1] |
degradace [1] |
degradation [1] |
dekarboxylace [2] |