The cretaceous-tertiary extinction, the most famous of the big five, has been attributed to what major event(s) that triggered the extinction of the dinosaurs?

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 electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

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