# data[].attributes.headline
Describe ways to conserve (prevent erosion) soil.

# data[].attributes.subject
Describe ways to conserve (prevent erosion) soil.

# data[].attributes.headline
when/where is the ozone hole most prevalent 

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when/where is the ozone hole most prevalent 

# data[].attributes.headline
Which UV ray in the UV index is the most harmful?

# data[].attributes.subject
Which UV ray in the UV index is the most harmful?

# data[].attributes.headline
What kind air pollutants are emitted from volcanoes?

# data[].attributes.subject
What kind air pollutants are emitted from volcanoes?

# data[].attributes.headline
Where does graywater come from? What is it useful for?

# data[].attributes.subject
Where does graywater come from? What is it useful for?

# data[].attributes.headline
What is the difference between primary and secondary water treatment?

# data[].attributes.subject
What is the difference between primary and secondary water treatment?

# data[].attributes.headline
What are the different water quality tests besides DO and CO2?

# data[].attributes.subject
What are the different water quality tests besides DO and CO2?

# data[].attributes.headline
What is the difference between porosity and permeability? 

# data[].attributes.subject
What is the difference between porosity and permeability? 

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What are the common macronutrients used by plants?

# data[].attributes.subject
What are the common macronutrients used by plants?

# data[].attributes.headline
what stage is the Hyperion waste water treatment?

# data[].attributes.subject
what stage is the Hyperion waste water treatment?

# data[].attributes.headline
what is the difference between primary, secondary, and tertiary treatment, and what  are some examples?

# data[].attributes.subject
what is the difference between primary, secondary, and tertiary treatment, and what  are some examples?

# data[].attributes.headline
What is the difference between the Stratosphere and Troposphere?

# data[].attributes.subject
What is the difference between the Stratosphere and Troposphere?

# data[].attributes.body
Difference between UVA, UVB and UVC

# data[].attributes.body
How does tiered pricing relate to water consumption in California?

# data[].attributes.body
Describe the oxygen sag curve

# data[].attributes.headline
What is thermal pollution? How does it impact water? What might be a source of it?

# data[].attributes.subject
What is thermal pollution? How does it impact water? What might be a source of it?

# data[].attributes.headline
If your soil is poor quality, what can you do to improve it?  What feature of soil will that improve?

# data[].attributes.subject
If your soil is poor quality, what can you do to improve it?  What feature of soil will that improve?

# data[].attributes.headline
Compare and contrast an organic farm with a conventional monoculture

# data[].attributes.subject
Compare and contrast an organic farm with a conventional monoculture

# data[].attributes.body
What is porosity? How/why is it important to soil?