PLANET EARTH
This zone around a star where liquid water can exist is why Earth is habitable.
What is HABITABLE ZONE/GOLDILOCK'S ZONE?
Scratching a mineral against glass tests this property.
What is HARDNESS?
Radioactive decay in Earth’s core provides heat for this renewable energy.
What is GEOTHERMAL?
Over-irrigation directly reduces this underground water source.
The ‘R’ before recycling in the waste hierarchy.
What is REUSE?
This subsystem includes all living organisms, from ants to acacia trees.
This rock type forms from cemented sand and shell fragments.
What is SEDIMENTARY?
Rivers beat geothermal for energy in some countries because they provide these extra benefits, like crop watering.
What is IRRIGATION?
Deforestation reduces this, causing soil to wash away in watersheds.
What is RAINFALL INTERCEPTION?
Switching to digital bills cuts waste from this material.
What is PAPER?
When water dissolves minerals from rocks, these two spheres are interacting.
What is HYDROSPHERE and GEOSPHERE?
Foliated metamorphic rocks show this feature, while clastic sedimentary rocks have layers.
What is BANDING?
This icy reservoir holds 68.7% of Earth’s freshwater.
What are GLACIERS/ICE CAPS?
This farming technique follows land contours to fight erosion.
What is CONTOUR PLOWING?
Composting food waste creates this soil enhancer.
What is HUMUS/ORGANIC MATTER?
This atmospheric layer absorbs harmful UV radiation, but its thinning over Antarctica remains a global concern.
What is OZONE LAYER?
This mineral keeps your lights on due to its conductivity.
What is COPPER?
Agroforestry mimics these natural systems to sustain soil.
What are ECOSYSTEMS?
E-waste surges in developed nations due to high rates of this.
What is CONSUMPTION?
Vinegar and baking soda can replace these toxic cleaners.
Ash from this geosphere event can block sunlight, altering the atmosphere.
What is VOLCANIC ERUPTION?
Calcite’s reaction with acid makes it useful for this soil treatment.
What is NEUTRALIZING ACIDITY?
Rivers beat geothermal for energy in some countries because they provide these extra benefits, like crop watering.
What is IRRIGATION?
Burying waste prevents air pollution but may contaminate this.
A zero-waste plan might include these three elements: compost hubs, repair cafes, and ___.
What are BULK STORES?