What types of proteins had to have been degraded to isolate


1.A 6ft coal seam at a depth of 750ft is tobe mined by a room-and-pillar system incorporating 16ft entries andpillars that are 50ft square. The K value for the seam is4,000. Utilizing the Bieniawski formula, determine if thesedimensions provide adequate stability.

2.What types of proteins had to have been degraded to isolate theDNA? Why is DNA considered to be an acid?

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Civil Engineering: What types of proteins had to have been degraded to isolate
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