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- 1. Multiple Choice
What is the ph of Normal rain:
6-7
4-5
5.0-5.6
- 2. Multiple Choice
What can be used to test the ph of normal and acidic rain:
thermometer
distillation
litmus paper
- 3. Multiple Choice
Typical acid rain has a ph value of 3
True
False
- 4. Multiple Choice
Sulfur dioxide and nitrogen oxides are found in acidic rain.
True
False
- 5. Multiple Choice
Algae blooms are dense small layers of green plants that form when there is a little amount of nutrients to which algae are attached on the surface of lakes and other bodies of water.
True
False
- 6. Multiple Choice
A way to prevent HAB’s is to reduce excess nutrients.
True
False
- 7. Multiple Choice
To prevent HAB’S never add ventilation.
True
False
- 8. Multiple Choice
Algae blooming is harmless to both humans and animals.
True
False
- 9. Multiple Choice
What are the two main elements in fertilizers?
phosphorus
hydrogen
nitrogen
iron
- 10. Multiple Choice
As organisms die, decomposers eat away at the organism in the chemical process of decay, which creates more oxygen.
True
False
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