Solar Wind Particles Can Be Captured by the Earth's Magnetosphere

Solar wind particles can be captured by the Earth's magnetosphere. When these particles spiral down along the magnetic field into the atmosphere, they are responsible for:

A) aurorae (northern and southern lights)
B) tropical storms (regions of rapidly rotating air)
C) the greenhouse effect
D) the reddish color we see during sunsets
E) the poor quality of television programming in the world's northern hemisphere