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science review
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Question | Answer |
---|---|
which is better high tem. or low temp. | low temp. |
which is better high dissolved oxgyen or low dissolved oxygen. | high dissolved oxygen |
what does PH measure | measures acid level or base akaline |
Are nitrates good or bad for water | bad they cause algae to grow algae takes oxygen out of the water. |
What does turbidity measure. | The cloudiness of the water |
Which is better high turbidity or low turbidity | low turbidity is better |
what Are bio-indicators | living things |
What are good bio-indacators | Dragonflies,fish,people |
What are bad bioindicators | mosquitios,worms,leeches |
What is a healthy water temp. | 45 degress celsius |