Bagaimanakah biodiversiti dapat menjana ekonomi?​

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

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

What is the solubility of substance?