Climate change: Earth's giant game of Tetris

What role does the ocean play in the carbon cycle?

• A. It releases CO2 into the air

• B. It absorbs CO2 from the air

• C. Neither A or B

• D. Both A and B

How does the greenhouse effect influence the climate on Earth?

• A. It prevents Earth from getting too cold

• B. It prevents Earth from getting too hot

• C. It traps heat from the sun

• D. A and C

What can be inferred about the relationship between the stability of the carbon cycle and the flourishing of human civilization?

• A. Human civilization thrived despite significant fluctuations in the carbon cycle.

• B. The stability of the carbon cycle was a key factor in the development of human civilization.

•  C. Human civilization had no impact on the stability of the carbon cycle.

• D. The carbon cycle has always been stable, regardless of human activity.

What is the primary reason for the increase in atmospheric carbon dioxide levels since 1750?

• 
  A. A decrease in the amount of carbon absorbed by the ocean.

• B. Increased volcanic activity releasing carbon dioxide.

• C. The burning of fossil fuels for energy production.

• D. Natural fluctuations in the carbon cycle.

Which consequences of global warming have been MENTIONED in the video?

• A. Drought

• B. Melting of polar ice caps

• C. Disrupted natural ecosystems

• D. viral diseases (i.e. the flu, the common cold,...)

• • Erratic weather patterns