Genetic variation describes naturally occurring differences among individuals within
the same population or species. It is based on the differences in the alleles in the
gene pool in a population. These differences--

The excretory system,need answers for all: )

Explain what happens at the saturation point when adding salt to water at room temperature.

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!