The ________ is the point of origination for an earthquake.

a.) epizone
b.) fault point
c.) seismic centroid
d.) focus


Answer: d.) focus

Environmental & Atmospheric Sciences

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A(n) ________ is a cone of debris that forms where an ephemeral stream emerges from the confines of the canyon. Its runoff spreads over the gentler slopes at the base of the mountains and quickly loses velocity, dumping most of its sediment load within a short distance.

A) drumlin
B) alluvial fan
C) esker
D) delta

Environmental & Atmospheric Sciences

A warm stratus cloud is typically less than 500 m thick and has slow upward air movement (generally less than 0.1 m/sec)

a. True b. False

Environmental & Atmospheric Sciences

Which of the following is most closely related to eustatic forces?

A) Tides B) Longshore currents C) Organic secretions D) Waves E) A change in sea level

Environmental & Atmospheric Sciences

All known Proterozoic animals were soft-bodied

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences