APES Unit 6 Review

What percent of energy consumption is made of renewable energy?

• 92%

• 50%

• 20%

• 8%

What is a drawback of using ethanol as a fuel alternative to gasoline?

• it is produced from a food item

• produces more pollution than gas

• nonrenewable and comes from the ground

• burns worse than gasoline

The following are advantages of which type of energy?

· Energy-dense and abundant—will last up to 200 years

· No refining needed

· Easy, safe to transport

· Economic backbone of many small towns

• Petroleum

• Coal

• Natural Gas

• Nuclear Energy

The following are pollutant and greenhouse gas emissions of which type of energy?

· Highest emitter of CO2

· Sulfur

· Trace amounts of toxic metals such as mercury

• Petroleum

• Coal

• Natural Gas

• Nuclear Energy

Which type of renewable energy is pictured?

• photovoltaic cells

• parabolic solar collection

• hydroelectric

• geothermal

Which renewable energy does not require spinning a turbine?

• hydroelectric

• wind

• tidal

• photovoltaic cells

The following are advantages of which type of energy?

· Cogeneration power plants can have efficiencies up to 60%

· Efficient for cooking, heating, etc.

· Fewer impurities than coal or oil

• Petroleum

• Coal

• Natural Gas

• Nuclear Energy

The following are disadvantages of which type of energy?

· Significant refining required

· Potential for spills on wildlife habitats

· Significant dust and emissions during construction of rigs and refineries

· Human rights/ environmental justice issues in developing countries that export

Will decrease in availability greatly within 40 years

• Petroleum

• Coal

• Natural Gas

• Nuclear Energy

What is a drawback to hydroelectric power?

• fish being isolated on one side of the dam

• water in the reservoir becomes warm

• increases the dissolved oxygen

• increases the rate of nutrient flow downstream

The following are pollutant and greenhouse gas emissions of which type of energy?

· Methane (CH4)

· Hydrocarbons

· Hydrogen sulfide

• Petroleum

• Coal

• Natural Gas

• Nuclear Energy