Why are streak plates used to test minerals? O A. They show you the color of the impurities in the mineral.
B. They show you the silicon content of the mineral.
O C. They show you the true color of the mineral.

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto