Which of the following lists describes characteristics of an acid? a. bitter taste, high pH, and caustic
b. sour taste, low pH, and dissolves in metals
c. sour taste, high pH, and dissolves in metals
d. slippery, low pH, and caustic

Silica, sio2, is formed on silicon as an electrically insulating layer for microelectronic devices. silica is formed when silicon is exposed to o2 gas at an elevated temperature. at 900˚c, it takes 90 minutes for the oxygen to diffuse from the surface to form a 0.06 micron (0.06 x 10-6 m) thick layer of sio2 on

Idon’t know how to solve this question

This drawing shows a human body system. what is the primary function of this body system?