Carbon Cycle and Climate Change Quiz

What is the main greenhouse gas involved in climate change?

• Nitrous oxide

• Carbon dioxide

• Ozone

• Methane

What process do plants use to convert sunlight and CO2 into energy?

• Respiration

• Combustion

• Photosynthesis

• Fermentation

What do plants create during photosynthesis?

• Carbohydrates

• Proteins

• Lipids

• Nucleic acids

What happens to plants and animals that get stuck in the earth under tons of pressure?

• They become water

• They evaporate

• They turn into fossil fuels

• They decompose into soil

What has been a major human activity since the Industrial Revolution that affects the carbon cycle?

• Using wind energy

• Burning fossil fuels

• Recycling

• Planting trees

What do trees do that helps balance the carbon cycle?

• Absorb CO2

• Absorb nitrogen

• Release CO2

• Release oxygen

What is the effect of deforestation on the carbon cycle?

• Increases CO2 storage

• Reduces oxygen production

• Reduces CO2 storage

• Increases oxygen production

What is the definition of sustainable technologies?

• Technologies whose output is equal to their input

• Technologies that create negative externalities

• Technologies that are expensive

• Technologies that use fossil fuels

What is the potential for invention according to the text?

• Non-existent

• Infinite

• Finite

• Limited