Unit 1
This is the process that explains the movement of landmasses on Earth.
What is plate tectonics?
Alternative methods for growing crops are enacted mostly for this reason.
What is reducing soil erosion?
or
What is restoring soil nutrients?
Oceans cover this percent of Earth's surface.
What is 70 - 75%?
These three areas are where we focused when we earned about pollution.
What is air, water, and soil?
This is the main cause for seasons on Earth.
What is Earth's Tilt?
These are the three cycles we learned about.
What are the water cycle, the carbon cycle, and the nitrogen cycle?
These are the main three nutrients in soil that determine how well a plant will grow.
What are nitrogen, phosphorus, and potassium?
This is where most of Earth's freshwater is found.
What is groundwater?
This is the order of the layers of the atmosphere from Earth's surface outward?
What is troposphere, stratosphere, mesosphere, and thermosphere?
These are the three types of boundaries that can be found between tectonic plates.
What are transform, converging, and diverging boundaries?
The agency is the American authority on enforcing of environmental protection laws.
What is the EPA?
These two (technically three) life factors have their own units associated with them.
What are liquid water and the atmosphere? (And also ocean tides)
This feature of Earth creates the magnetic field present around the planet.
What is the rotation of Earth's molten core?