What happens to electrons in the photoelectric effect? A. They are made to orbit faster.
B. They are added to atoms.
C. They are knocked away from atoms.
D. They are turned into light.

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.

answer seismograph;