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List two different techniques that you used this semester, to separate two liquids from each other. a). For each, explain the general procedures in your own words. No need to include the names of the reagents

A _________, a mixture of gas and volcanic debris, may blast out laterally under a viscous plug capping a volcano. 

A map projection is a __________.

In which context is the State Plane coordinate system most relevant?

Which of the following minerals is most rapidly dissolved by carbonic acid (rainwater)?   

_____ refers to a rock’s appearance with respect to the size, shape, and arrangement of its grains or other constituents. 

In children, (RVOT) acceleration time (AT) ( z-scores)  of  

The principle of superposition states that in a stack of horizontal layers the oldest layer is on top

_______ sediments are deposited or precipitated as a result of the actions of organisms. 

A county planner is trying to add a scanned historical map in a GIS.  The map was georeferenced using an affine transformation and 4 control points.  The RMS errors were all quite low.  To the county planner’s dismay some of the map’s roads and landmarks do not all match with the modern map.  Which of the following is the best explanation for this?