Land forms
Tectonic activity formed mountains, volcanoes, valleys, and islands.
RPC
Subduction, uplift, and volcanism formed Pacific Ranges.
Water Systems
Rivers and lakes boosted trade, agriculture, industry, cities.
Tributary
A smaller river or stream that feeds into a larger river.
headwaters
The source of a stream or river.
divide
A high point or ridge that determines the direction rivers flow.
fall line
A boundary in the eastern United States where the higher land of the Piedmont drops to the lower Atlantic Coastal Plain.
RPC
By glaciers, carved basins, melted ice formed lakes.
Climate Biomes Resources
Latitude, elevation, water, winds, mountains, air masses.
Hurricane
A large, powerful windstorm that forms over warm ocean waters.
Fossil fuel
A resource formed in the earth by plant and animal remains.
RPC
Ocean currents, winds, latitude, mountains, rainfall, humidity.
Land forms
Tectonic activity formed mountains, volcanoes, valleys, and islands.
RPC
Subduction, uplift, and volcanism formed Pacific Ranges.
Water Systems
Rivers and lakes boosted trade, agriculture, industry, cities.
Tributary
A smaller river or stream that feeds into a larger river.
headwaters
The source of a stream or river.
divide
A high point or ridge that determines the direction rivers flow.
fall line
A boundary in the eastern United States where the higher land of the Piedmont drops to the lower Atlantic Coastal Plain.
RPC
By glaciers, carved basins, melted ice formed lakes.
Climate Biomes Resources
Latitude, elevation, water, winds, mountains, air masses.
Hurricane
A large, powerful windstorm that forms over warm ocean waters.
Fossil fuel
A resource formed in the earth by plant and animal remains.
RPC
Ocean currents, winds, latitude, mountains, rainfall, humidity.