✅ D. Total greenhouse-gas emissions associated with an activity or entity
a: The weight of coal only | b: A shoe mark in soil | c: A tree's height | d: Total greenhouse-gas emissions associated with an activity or entity Read more
✅ D. Paris Agreement
a: Basel Convention | b: Ramsar Convention | c: Montreal Protocol only | d: Paris Agreement Read more
✅ B. Ocean absorption of excess atmospheric carbon dioxide
a: Extra oxygen dissolving | b: Ocean absorption of excess atmospheric carbon dioxide | c: Sand movement only | d: Moonlight Read more
✅ D. The clearing or removal of forests
a: Cleaning a river | b: Recycling glass | c: Planting a forest | d: The clearing or removal of forests Read more
✅ B. Organisms interacting with each other and their physical environment
a: A weather instrument | b: Organisms interacting with each other and their physical environment | c: Only a single animal | d: A mineral deposit Read more
✅ C. Troposphere
a: Thermosphere | b: Exosphere | c: Troposphere | d: Mesosphere Read more
✅ D. Carbon dioxide
a: Neon | b: Helium | c: Argon | d: Carbon dioxide Read more
✅ C. Absorbing much of the Sun's harmful ultraviolet radiation
a: Blocking all visible light | b: Producing Earth's gravity | c: Absorbing much of the Sun's harmful ultraviolet radiation | d: Creating all rainfall Read more
✅ D. The variety of living organisms in an area or on Earth
a: The height of a mountain | b: A type of fossil fuel | c: The amount of traffic only | d: The variety of living organisms in an area or on Earth Read more
✅ B. Processes materials so they can be used again
a: Prevents all waste automatically | b: Processes materials so they can be used again | c: Creates new raw materials from nothing | d: Always turns waste into fuel Read more
✅ C. Controlled decomposition of organic material
a: Burning plastic | b: Distilling seawater only | c: Controlled decomposition of organic material | d: Mining coal Read more
✅ B. An area where water covers or saturates the soil for part or all of the year
a: A dry dune | b: An area where water covers or saturates the soil for part or all of the year | c: A volcanic crater only | d: A glacier peak Read more
✅ A. Keep products and materials in use and reduce waste
a: Keep products and materials in use and reduce waste | b: Maximize single-use products | c: Increase landfill only | d: Stop all repair Read more
✅ D. Paris Agreement
a: Basel Convention | b: Ramsar Convention | c: Montreal Protocol only | d: Paris Agreement Read more
✅ C. Maintaining plant cover and reducing erosion
a: Burning topsoil | b: Removing all vegetation | c: Maintaining plant cover and reducing erosion | d: Overgrazing slopes Read more
✅ D. Energy from sources replenished naturally on human timescales
a: Energy only from coal | b: Energy from burning peat only | c: Energy only from oil | d: Energy from sources replenished naturally on human timescales Read more
✅ D. Intergovernmental Panel on Climate Change
a: International Court of Justice | b: World Trade Organization | c: International Olympic Committee | d: Intergovernmental Panel on Climate Change Read more
✅ D. Carbon dioxide
a: Neon | b: Helium | c: Argon | d: Carbon dioxide Read more
✅ D. Establishing forest on land not recently forested
a: Draining wetlands | b: Removing trees | c: Building roads | d: Establishing forest on land not recently forested Read more
✅ D. The clearing or removal of forests
a: Cleaning a river | b: Recycling glass | c: Planting a forest | d: The clearing or removal of forests Read more