I think the right answer is d!
The following answer to the equation is landslides
Well, basically we can say that <span>Best Disease expresses itself more through the generations. The reason for that is because it is dominant. While we may say that the allele of the sickle cell anemia its indeed a recessive trait with 0% of chances, Best desease is a dominant trait with 50% of chances.</span>
Teperature
Ph level
Substrate concentration
Not sure if these are physical but hope it helped.
Out of the animals listed, calves are most genetically similar to humans.