Carbon Cycle and Energy Security 6.5 and 6.6

What three countries are the leading consumers of fossil fuels?

• China, India and Russia

• Russia, Japan, United States

• China, USA and Russia

• China, USA and India

Tar sands, oil shale and shale gas are all examples of

"Environmental risks" and "well orgnised protests" are reasons for who to be reluctant in exploiting unconventional fossil fuels.

• Governments

• Local Councils

• TNCs

• Consumers

Which of these are examples of primary biofuels?

• fuelwood, woodchips, pellets

• ethanol, biodiesel

Which of these are examples of secondary biofuels?

• fuelwood, wood chips, pellets

• ethanol, biodiesel

Why will renewables never completely replace fossil fuels?

• costs, public perception

• land is taken away from food production and climate

• land is taken away from food production and costs

• climate and public perception

"Biofuels are a recyclable, range of crops can be used, can be grown in temerpate and tropical climates." These are pros or cons of biofuel use.

• pros

• cons

What are these examples of "carbon, capture and storage" and "hydrogen fuel cells".

• Biofuels

• Radical Technologies

• Unconventional fuels

• Renewables

What are the two examples of recyclable energy?