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Ch 15 Lesson 3

Across
This can have a negative effect on water quality
Dissolved oxygen decreases when a lake temperature ____
This is an example of point-source pollution
Down
If pollution intolerant fish are missing from a water source it means it has _____ water quality
These cause algal blooms and are non point source pollution
This is NOT a measure of water quality
When sediment increases in water this also increases