Which best compares the reproduction methods of two plants

The rules of engagement (roe) working group is often used to (select all that apply.)

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?