According to henry's law what causes a solute to absorb more gases into solution

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?

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

Ab c or d ? i’m not sure what the answer is