Oceans
small plantlike organisms that make up the first link in the ocean's food chain
What are phytoplankton?
a huge expanse of ice, like a glacier on relatively level land
What is an ice sheet?
doing or using less
What does it mean to "reduce"?
rainwater that flows into the soil and is stored beneath the surface of the earth
What is ground water?
when an ice sheet reaches the ocean and continues to float out over the water
What is an ice shelf?
finding new ways to use things
What does it mean to "reuse"?
layers of sand, gravel, or bedrock that hold and move ground water
What are aquifers?
when pieces of glaciers break off into the ocean and float independently
reusing the material and creating something new with it
What is recycling?
the term we use to refer to water vapor in the air
What is humidity?
ice which forms when ocean water freezes
What is sea ice?
chemicals produced by oils
What are petrochemicals?