Which of these describes a method in studying plate movements? observing absence of magnetic rocks in locations that do not match the poles match relief elements only on the western side of the atlantic ocean recording the spread of the seafloor in the mid-atlantic region correlate the rotation of earth to plate movement

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes