Which of the following sources of energy is not sustainable? (Select the best answer.

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

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)