Understanding Carbon Dioxide and Energy

What historical event marked the beginning of a significant rise in atmospheric carbon dioxide levels?

• The invention of the automobile

• The development of nuclear power

• The Industrial Revolution

• The discovery of electricity

Which of the following is NOT a fossil fuel?

• Coal

• Natural gas

• Oil

• Solar energy

How are fossil fuels formed?

• By ancient decaying organisms over millions of years

• Through volcanic activity

• From the remains of meteorites

• By the rapid cooling of magma

What is the greenhouse effect primarily caused by?

• The melting of polar ice caps

• A thickening blanket of carbon dioxide

• The depletion of the ozone layer

• An increase in solar radiation

What is the target level of carbon dioxide parts per million to prevent rapid climate change?

• 350

• 392

• 450

• 500