I would say A just because if your dad has a genetic disease and you mom does not have it you have about a 50 50 chance of having that disease in a perfect control that's assuming that its recessive and that your moms side does not present this disease
that's how its always been taught to me
So by looking at the seismic waves from earthquakes the scientist learned about the crust and the mantle but they also learned about the outer and inner core. To do this you have to look at a different kind of waves, the S (secondary waves) waves that also get released by an earthquake.
The cell as a system contains the organelles sites of most cells active. Assembly line where workers do Endoplasmic Reticulum
Food cant move unless psychically moved by a human so thats the potenial energy it is not stored any were.