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1. 
The quality of the water is influenced by?
A.
Direct point and diffuse pollution
B.
Oxygen consumption
C.
Hazardous chemicals
2. 
What is water?
A.
It is a habitat
B.
Nitrogen pollution
C.
Key resource for our quality of life
3. 
For agriculture, the key pollutants no include:
A.
Nutrients, pesticides, sediment and faecal microbes
B.
Marine areas
C.
Nothing