An aurora is produced when there is a collision between _____ and _____ in Earth's upper atmosphere.
Aatoms; molecules
Blight; atoms and molecules
Cneutrinos; atoms and molecules
Dthe solar wind; atoms and molecules
An aurora is produced when there is a collision between _____ and _____ in Earth's upper atmosphere.
Aatoms; molecules
Blight; atoms and molecules
Cneutrinos; atoms and molecules
Dthe solar wind; atoms and molecules