Which statement applies to both electric force and magnetic force? A. It acts between objects that have unbalanced charges.
B. It acts to attract objects that have opposite poles.
c. It acts to repel objects that have like charges.
D. It acts between objects that do not touch.

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

This is a mixture that has the same composition throughout.

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .