For each of the impressions listed below, determine which characteristics are class characteristics and which are individual characteristics.
a. Screwdriver pry mark: 0.5 inch wide, filings of stainless steel imbedded in mark, rounded edges, center half-circle groove, 3 wide striations near one edge, 7 narrow striations near one edge
b. Two-dimensional footwear impression: Nike brand, 11 inches long, wear pattern on back outside edge, 4 inches wide at arch, gouge at back heel, "Nike Air" imprinted on arch
c. Recovered bullet: .22 caliber, deep striation in one land, left-handed twist, 13 fine striations in one groove, 5 grooves around periphery, 79% lead composition

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The Answer of For each of the impressions listed below, determine which characteristics are class characteristics and which are individual characteristics.
a. Screwdriver pry mark: 0.5 inch wide, filings of stainless steel imbedded in mark, rounded edges, center half-circle groove, 3 wide striations near one edge, 7 narrow striations near one edge
b. Two-dimensional footwear impression: Nike brand, 11 inches long, wear pattern on back outside edge, 4 inches wide at arch, gouge at back heel, "Nike Air" imprinted on arch
c. Recovered bullet: .22 caliber, deep striation in one land, left-handed twist, 13 fine striations in one groove, 5 grooves around periphery, 79% lead composition

For Each of the Impressions Listed Below, Determine Which Characteristics