How is coal formed? from hydrothermal deposits from igneous intrusions from 300 to 400 million year old plant remains from oil deposits that have solidified

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Debris produced by mining is called