Advection cells move magma or molten material around in the Asthenosphere

Indicate whether the statement is true or false


F

Environmental & Atmospheric Sciences

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Aquaculture produces very little of the amount, perhaps ten percent, of fish consumed by humans

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The Richter scale assesses the 1906 San Francisco earthquake and the 1964 Alaska earthquake as both being of magnitude 8.3. However, on the moment magnitude scale, the San Francisco earthquake is probably equivalent to a Richter magnitude 7.8 and the Alaska seism is equivalent to a 9.2. The Alaska earthquake was at least 100 times bigger.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

A ________ is a layer of sedimentary rock with a vertical change in particle size, usually from coarse at the bottom to fine at the top.

A. graded bed B. sorted bed C. schist D. cross bed E. patterned bed

Environmental & Atmospheric Sciences

The particles in breccia are primarily silt sized

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences