Define base level and distinguish between ultimate base level and temporary (local) base level
What will be an ideal response?
Base level is the lowest limit to which a stream can erode. This is ultimately sea level, if/when the stream enters the ocean (ultimate base level). However, temporary or local base levels occur wherever streams do not reach the ocean (internal drainage basins) or make stops along the way to the ocean at lakes or resistant bedrock layers.
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The three basic components of an ophiolite sequence are
a. upper mantle, lower continental crust, and sedimentary rocks. b. oceanic crust, continental crust, and lower mantle. c. upper mantle, upper continental crust, and sedimentary rock. d. upper mantle, oceanic crust, and sedimentary rocks. e. sedimentary rocks, oceanic crust, and continental crust.
Because volcanologists are aware of the potential hazards, no volcanologist has ever been killed studying a volcano.
Answer the following statement true (T) or false (F)
Arroyos are a type of:
a. stabilized sand dune b. playa c. ephemeral stream channel d. wind-eroded rock
Which tectonic boundary would have many normal faults associated with it?
A) Convergent B) Divergent C) Transform