Idon't get what's for hardness, luster, and cleavage i only know what's for streak color , and color well the color of the rocks.

Stars x and y are both bluish main sequence stars. star x has a higher absolute brightness than star y. how do the two stars compare? explain

For this car, predict the shape of a graph that shows distance (x) versus time (t). note that time is the independent variable and will be on the bottom axis. need asap

You can decrease the resistance of a length of wire by