Which one of the following statements about coal is correct?

• On combustion, coal is the most polluting fossil fuels.

• Coal is comprised of only carbon.

• Coal is found in every country in the world.

• Burning of coal produces no residues.

Which of the following statement is true?

• Nuclear power is popular in Iceland.

• Nuclear power is popular in China.

• Nuclear power is popular in Germany.

• Nuclear power is popular in Australia.

Following aftermath of the Chernobyl accident in 1986, which statement below is true?

• All radiation has dissipated from the area.

• Chernoby is now a safe place to live.

• Some of the radiation has dissipated but some still remains in the area.

• The radiation leak from Chernobyl was well contained.

Which of the following statements about aerogenerators is true?

• Aerogenerators are safe for all wildlife.

• Aerogenerators are noisy.

• Aerogenerators are best located in a valley.

• Aerogenerators are cheap to set up.

Which of the following statements is true about photovoltic panels?

• They can be used anywhere to generate electricity.

• They are cheap to manufacture.

• They can be used at anytime to generate electricity.

• They are cheap to operate.

Which is the largest hydro-electric dam scheme in the world?

Which of the following statements about geothermal power is NOT true?

• Use of geothermal power produces no emissions.

• Use of geothermal power is expensive to set up.

• Geothermal power can be used to heat buildings.

• Geothermal electricity generating plants have relatively low operating costs.

With reference to the table below, which of the following countries is the largest importer of energy?

• Russia

• India

• China

• USA

With reference to the table below, calculate the percentage of energy in the USA that came from non-renewable sources of energy in 2014.

• 36%

• 78%

• 45%

• 95%

Name the cycle used to explain the earth's fluctuation between glacial and interglacial periods.