If a mineral scratches glass. which property of a mineral is being measured? a. magnetism b. cleavage c. streak d. hardness

Who were the original knights of labor?

How important was the erie canal in in connect, unify and expand the nation

Carefully examine this photograph of a home bomb shelter. fearing a nuclear attack, many people put these in their homes during the 1950s. describe what you see in the image. what kinds of things did this homeowner think to include?