What is the length of the hypotenuse of a right triangle, whose legs have lengths of 12 meters and 35 meters?

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

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 structural formula represents 4 electrons shared between two atoms?