Science and the Environment

Which of the following does soil do for the Earth?

• Recycles nutrients

• Serves as a foundation for construction

• Purifies water

• All of the above

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(a)   farming depends on the natural release of nutrients already in the soil.

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Tailing ponds use nanoparticles to:

• feed fish

• pollute the water

• break down pollution

• drill for oil

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Which environmental issue do YOU think is most important for keeping our planet healthy?

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A solution to battle citrus greening disease in Florida's citrus trees is...

• cutting the trees down

• genetically engineering trees to resist the disease

• transplanting the trees

• spraying the trees with poison

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Burning fossil fuels (coal, oil, gas) hurts the environment by putting out high levels of (a)  

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Keeping freshwater sources clean is important because:

• We obtain our drinking water from freshwater sources.

• Freshwater sources provide a habitat for fish and aquatic life.

• Both A and B

• None of the above

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Name two types of "renewable" energy.

Environmentally sustainable practices are important because:

• they help preserve the planet for future generations

• they reduce our impact on the planet

• they provide safer and cleaner means of obtaining the things we need for everyday living

• all of the above

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True or False: Fossil fuels (coal, oil, gas) are available in endless supply.

• True

• False