How did fossil records support the existence of a supercontinent? Similar fossils provided evidence that a meteor hit Earth.
Similar fossils were found in different continents.
Fossil records showed how old the continents were.
Fossil records provided evidence that dinosaurs existed.

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?