This guy wants to go to the movies with me to watch avengers endgame and it's 3 hours long, but he has a girlfriend, and me and him call every night for hours. does this mean he likes me?

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

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

During which time interval does the object travel approximately 10 meters