A) draw the stereogram of 2/m 2/m 2/m crystal class. on this stereogram take a pole of a general face (h, k,l) where the face intersects all the three (3) axes. now complete the stereogram.

b) draw the stereogram of 4/m 2/m 2/m crystal class. on this stereogram take a pole of a general face (h, k,l) where the face intersects all the three (3) axes. now complete the stereogram.

c) what is the total symmetry content of the crystal class 4/m 2/m 2/m.

Based on your knowledge of industrialization, which of the following statements best describes what is happening in this photo taken in the us around 1910? a. the children pictured here likely worked a 4 - 6-hour shift after school, five days a week, for minimum wage. b. the children pictured here are working illegally, as child labor was prohibited in the late 1880s. the children pictured here likely worked a 12-hour day, six days a week, for about one dollar a week d. the children pictured here likely earned good wages, were protected from risk of injury, and were likely to have a successful, long-term career in this industry.