A glacier that forms in the mountains
What is an alpine glacier?
Page: 608
A coastal area where freshwater from rivers and streams mixes with saltwater from seas or oceans
What is an estuary?
Page: 619
The upper limit of the saturated zone
What is the water table?
Page: 626
A type of wetland where sphagnum moss dominates
What is a bog?
Page: 628
Harmful to organisms and environments
What are pollutants?
Page: 621
Two types of glaciers
What are alpine glaciers and ice sheets?
Page: 608
Term used by scientists to refer to any naturally flowing channel of water
What is a stream?
Page: 618
Makes up 20% of the water that people in the United States use daily
What is groundwater?
Page: 625
A type of wetland where trees and plants dominate
What is a Swamp?
Page: 628
Human activities add this into the atmosphere
What is CO2?
Page: 612
The largest ice sheet in the world
What is the Antarctic Ice Sheet?
Page: 608
Percentage of Earth's lakes in Canada
What is 60%?
Page: 620
These form where the water table rises to the surface
What is a spring?
Page: 627
Three types of wetlands
What are bogs, marshes, and swamps?
Page: 628
Valuable resources that need to be protected from destruction
What are wetlands?
Page: 630
The coldest periods
What are ice ages?
Page: 610
The boundaries of a watershed
What are divides?
Page: 619
People drill these to bring groundwater to the surface
What is a well?
Page: 627
Wetlands help keep these from reaching streams, lakes, groundwater, or the ocean
What are sediments and pollutants?
Page: 629
Causes many glaciers to melt
What is rise in temperature?
Page: 612
Percentage of glacial ice stored in ice sheets covering Antarctica and Greenland
What is 97%?
Page: 608
Changes temperature more slowly than land does
What is water?
Page: 621
The higher this is, the more water a rock can contain
What is porosity?
Page: 626
What are fish, amphibians, and birds?
Page: 629
Forms where ground collapses due to lack of sufficient support from below
What is a sinkhole?
Page: 627