Answer : Passive transport mechanism
Explanation: Passive and Active transport mechanisms are the two types of transport mechanisms by which molecules move in and out of the cell membranes. Passive Transport mechanisms do not require energy from cells. The movement of the molecules from High to Low concentration requires no energy. E.g. Osmosis, simple and facilitated diffusion.
I believe that hand preference develops before birth. Specifically I believe that hand preference relates to the hemispheres of your brain. As I believe that studies now suggest that multiple genes contribute to the trait as if you parents are born right handed the likely hood is that you will be right handed. To conclude I think that this characteristic was inherited. Hope this helped!
Answer:
i think oh is a radicalin these option.
Electron cloud modle should be the answer