1. Noun
The act of preserving, guarding, or protecting; the keeping (of a thing) in a safe or entire state; preservation.
2. noun
Protecting nature and using resources carefully.
The protection and careful management of species, habitats and natural resources.
3. Noun
The principle that energy or matter is neither created nor destroyed
4. Noun
(physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
Vocabulary classified under Law
5. Noun
the preservation and careful management of the environment and of natural resources
Vocabulary classified under Nature and environment
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