Write the doubles plus one fact. write the doulbles minus one fact6+6

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

If steel is more dense that lake water, why can a boat float

What is the temperature in degrees celsius of a substance with a tempature of 49k