What percentage of Earth's water is salt?
97%
Formula for Nitrates?
NO2-
Where are younger layers of rocks on an undisturbed rock layers
on the top
What is a convergent boundary?
where two or more lithospheric plates collide
What is the top most layer of the ocean?
sunlight zone
What percentage of Earth's water is freshwater?
3%
Formula for Ammonia
NH3
What does the law of superposition help determine?
The relative age of rocks
What is a divergent boundary?
where two or more lithosperic plates move away from each other
What is the bottom most layer of the ocean?
hadalpelagic zone
What percentage of Earth's water is ice?
68.7% of freshwater is ice
What is the pH range?
1-14
If rock K is above rock T and rock E, what rock is the youngest?
rock K
What is a transform boundary?
where two or more lithospheric plates slide against each other
What layer is under the sunlight zone?
the twighlight zone
What percentage of Earth's water is groundwater?
30.1% of freshwater is groundwater
Less than a seven on a pH is scale is what?
acidic
What is an intrusion?
An igneous rock that pushes through layers of rock.
Whats a fault line?
What's under the twilight zone
the midnight zone
What are the two main water sources for humans?
surface water and ground water
More than a seven on a pH is scale is what?
basic
What is an extrusion?
It is an igneous rock that pushes through all the layers of rock up to the top
Whats a trench?
a long, narrow ditch
What's under the twilight zone?
the abyssal zone