The sound waves are moving at a speed of 331 m/s. the frequency of the waves is 15 hz. what is the wavelength?

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

What quantity do units represent in value

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?