1st EVSC evaluation 9th grade

Explain why oil and water do not mix

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Which of the following is a common water pollutant?

• Oxygen

• Nitrogen

• Sulfur

• Mercury

Which of the following is a primary source of point pollution?

• Runoff from a farm

• Industrial discharge

• Atmospheric deposition

• A leaking septic system

Which of the following is an example of non-point pollution?

• An oil spill

• A factory discharge pipe

• Fertilizer runoff from a farm

• A leaking underground storage tank

What is the process by which water changes from a liquid to a gas?

• a. Condensation

• b. Evaporation

• c. Precipitation

• d. Transpiration

Which of the following is a common consequence of water pollution?

• Increased biodiversity

• Decreased economic growth

• Increased water clarity

• Increased tourism

Which of the following is an example of a polar molecule?

• CO2

• H2O

• O2

• CH4

Define point source pollution and provide an example.

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Define non-point source pollution and provide an example.

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Describe with details one method for preventing water pollution.

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