Across
- 4. a community of living organisms that exist in and are dependent on a body of water
- 5. Water that is free from contaminants such as bacteria and viruses, and chemicals such as mercury and lead, making it safe to drink, cook with and use for hygiene purposes.
- 7. The provision of facilities and services for the safe disposal of human urine and faeces.
- 8. the variety of different plants, animals and microorganisms, their genes and the ecosystems of which they are a part
- 9. meeting the needs of the present without compromising the ability of future generations to meet their own needs
Down
- 1. introduction of contaminants into the natural environment that cause harm.
- 2. conditions or practices conducive to maintaining health and preventing disease, especially through cleanliness.
- 3. lack of sufficient fresh water resources to meet the demands of a region or population
- 6. the action or process of converting waste into reusable material.