Exam 4

Explain a problem from unit 5 or 6. Then give the most sustainable solution that you can think of. Lastly, explain how the solution fixes the problem and how is sustainable.

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Create an energy grid that you think would be the most sustainable and reliable. You can use more than one energy resource. Provide your reasoning of why you choose the resources the way you did and what is the effect on the environment.

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Bonus: What is a disadvantage of urbanization?

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Which of these is an example of a non-renewable resource?

• a. Solar
• b. Hydroelectric
• c. Nuclear
• d. Biomass

Which of these is not a reason why countries pick what kind of fuel they use?

• a. Price
• b. Popularity
• c. Availability
• d. Government regulations

Which of these is an advantage of fracking?

• a. Produces cleaner energy than coal
• b. It cleans water sources
• c. Decreases geological activity
• d. All of the above

From these sources, which does the US has the most?

• a. Coal
• b. Oil
• c. Uranium
• d. Natural gas

Which of the following is an advantage of Coal?

• a. Is cheap
• b. Releases mercury to the atmosphere
• c. Vulnerable to interruption due to transport
• Low CO2 emission

How does nuclear fission generate electricity?

• a. Atoms move and make lightning
• b. Atoms fuse together and make heat
• c. Atoms link together and make electricity
• d. Atoms break and move generating heat

What is one advantage of ethanol?

• a. It generates a lot of energy
• b. It doesn’t add carbon to the atmosphere
• c. It diverts food from people
• d. It’s cheap