Freshwater
Most of the freshwater on Earth is locked away in ______.
The land area that supplies water to a river system is called a/an
The stage of the water cycle when water droplets transition from liquid to gas is called
What is under Yellowstone National Park that causes the many hot springs and geysers?
All of the following human activities threaten the Everglades EXCEPT
A ridge of land that separates two watersheds.
Two examples of surfaces that are NOT easily penetrated.
Another name for the saturated zone.
Fresh water found in soil and rock layers below Earth's surface.
A widely spread source of pollution that CANNOT be tied to a specific point of origin.
A lake made by humans for water storage.
The top of the saturated zone is called the
The energy for the water cycle originally comes from where?
A pipe spilling chemicals from a factory into a river is an example of what type of pollution?
Water moves easily through __________ layers.
When the demand for water is greater than the supply, the surrounding area experiences
People can obtain groundwater by drilling a well
Wetlands act as natural
The term that describes when plants release water into the atmosphere.
Rain, snow, sleet, and hail are all examples of
The four steps in the water cycle are
The part of the water cycle when clouds form is called
The total amount of water on Earth is
Wetlands help control flooding by
What percent of Earth's water is fresh water?