Nondisjunction - in nondisjunction, the chromosomes fail to separate at a proper state due to meiosis.
It's an Agrarian society, hope this helps!
<span>D.Oxygen will diffuse from an area of higher concentration (outside the cell) to an area of lower concentration (inside the cell). This is because cells respire constantly, as this process uses up oxygen cells will contain less oxygen than its surroundings. Oxygen moves by the process of diffusion, in diffusion a molecule will always move from a higher concentration to a lower concentration.</span>
