Coal is not considered a mineral because it is organic and made from the remains of once living things. true or false

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 is the rate of change in a objects position?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?