Akind of prose writing in which the writer explains information is called exposition illustrative writing propaganda vignette

Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?