PLS HELP WILL GIVE 50 POINTS How is energy sent from Earth to space?
conduction and convection
radiation and conduction
reflection and conduction
radiation and reflection

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

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.