Carbon Cycle Climate Change and Sustainable Technologies Quiz

What is the main greenhouse gas in climate change?

• Methane

• Oxygen

• Nitrogen

• Carbon Dioxide

What is the process called when plants take in sunlight and CO2 to create stored energy?

• Decomposition

• Photosynthesis

• Fermentation

• Respiration

What happens when animals eat plants in terms of greenhouse gas release?

• No greenhouse gas release

• Greenhouse gas release through waste

• Greenhouse gas absorption

• Greenhouse gas release through respiration

What happens when plants die and decompose?

• Greenhouse gas absorption

• Greenhouse gas release through respiration

• Greenhouse gas release through waste

• No greenhouse gas release

What are carbon-based organisms like plants or animals turned into under tons of pressure?

• Methane

• Carbon Dioxide

• Oxygen

• Fossil Fuels

What do humans release into the air when they burn fossil fuels?

• Methane

• Carbon Dioxide

• Oxygen

• Nitrogen

What do trees do in terms of CO2?

• Release CO2

• Absorb CO2

• Produce CO2

• No effect on CO2

What is the key to stopping climate change according to the text?

• International agreements

• Individual actions

• Technological innovation

• Government regulations

Humans breathe in _______ and exhale _______

• oxygen; CO2

• CO2; oxygen

• oxygen; oxygen

• CO2; CO2

Greenhouse gases are created by:

• Cutting down trees

• Burning fossil fuels

• Decomposing organic matter

• All of the above