Gabriella M
New member
When you look at minerals in a museum, do they use UV light, infrared, or both?
Is the atmosphere blue because of a) there is a mixture of particle sizes, b) there is water in the atmosphere c) there are only large particles d) there are only small particles
Is the atmosphere blue because of a) there is a mixture of particle sizes, b) there is water in the atmosphere c) there are only large particles d) there are only small particles