Greenhouse Gases

What are the main components of Earth System science?

• Atmosphere, land, ocean, ice, and changing climate

• Atmosphere, land, ocean, and human activities

• Atmosphere, land, and ocean only

• Land, ocean, and ice only

What are the initial drivers of climate change known as?

• Forcings

• Feedback

• Tipping points

• Natural gas emissions

Which of the following is a positive feedback mechanism related to ice?

• Ice albedo

• Cloud formation

• Plant growth

• Greenhouse gas emissions

What is the process called that involves drilling wells and using high pressure to release natural gas from rock?

• Fracking

• Seismic surveying

• Coal mining

• Oil drilling

Which greenhouse gas has the highest warming potential compared to CO2?

• Nitrous oxide

• Methane

• Carbon dioxide

• Chlorofluorocarbons

What percentage of human-related GHG emissions is attributed to deforestation?

• 11%

• 20%

• 5%

• 15%

What is the main contributor to plastic pollution in marine environments?

• Runoff

• Industrial waste

• Fishing activities

• Natural disasters