What will be the equilibrium temperature when a 245g block of copper at 285 C is placed in 825g of water at 12 C?

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

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.