The drop in stream elevation per unit distance is known as

A) discharge.
B) base level.
C) gradient.
D) aspect.


C

Environmental & Atmospheric Sciences

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What is the term used to describe all life on Earth?

A. flora B. fauna C. biota D. biogeography E. photosynthesis

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Firn has a higher density than glacial ice

Indicate whether the statement is true or false

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As illustrated in this figure, which of the following is NOT potential trigger for slope failure?

A. undercutting of steep slopes by roads and rivers B. shaking during an earthquake C. precipitation that can saturate and weaken sediment D. shaking of slopes and melting of snow during volcanic eruptions E. All of these are potential triggers for slope failure.

Environmental & Atmospheric Sciences

What does a Benioff-Wadati zone refer to?

a. an area of extensional stress b. a subduction zone c. a transform plate boundary d. an area of high heat flow e. an area lacking deep earthquakes

Environmental & Atmospheric Sciences