Water Distribution
We only have a certain amount of water on Earth, what process does the water we use go through to make it available again after use?
The Water Cycle
What is POINT-source pollution? Give an example
pollution where the source can be identified, such as a pipe from a factory.
Water that is safe to drink is called ________ water
potable
Most of the water on Earth cannot be drank because it is...
salty/ocean water/high saline
What is NON-point source pollution? Give an example.
Pollution that comes from many different sites, runoff from roads.
When drinking water, you would drink water with __________ turbidity. What does turbidity measure?
lower; how cloudy or clear water is
This is where most of Earth's FRESHwater is found
frozen in glaciers and ice caps
Upwelling causes the movement of ________ to the surface.
nutrients
An effect of fertilizers polluting a nearby pond are _________ ________, that causes a loss of dissolved oxygen potentially killing aquatic life.
algal blooms
This is the land that collects and drains water into a river, helping to maintain clean, unpolluted land.
river basin
Aphotic is a zone of the ocean that means _________ so there is typically an absence of _______ life.
"No light", plant
A build up of nitrates in a lake causes ______, which can harm aquatic life.
eutrophication
This is the term used to describe how water DIRECTLY enters the groundwater supply.
infiltration
What is BRACKISH water? How does it form?
brackish water is a mixture of salt and fresh water that is created when a river meets the ocean at an estuary, it has a lower salinity than ocean water
Government authorities regularly monitor the pH, temperature, turbidity, and dissolved oxygen in a water source that supplies water to local communities. Why do they do this?
to make sure that the levels are okay for human consumption