The process of deepening of a valley by erosion of a streambed is called ________.

A. aggradation
B. down cutting
C. faulting
D. subsidence
E. lateral erosion


Answer: B

Environmental & Atmospheric Sciences

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What will be an ideal response?

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_____ faults are most typically found at spreading centers

a. Strike-slip b. Transform c. Normal d. Reverse e. Oblique

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Why are descriptive classifications so useful?

A) They group items of similar appearance, making it easy to guess which rock type they are. B) They describe classifications, making it easy to understand which classification the rock type falls into. C) They are only used in Geology, so there is not much confusion. D) They note similarities in creation, making it easy to understand formation processes.

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The anthropoids had appeared in the fossil record by the late Eocene. Indicate whether the statement is true or false

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