Answer:
P - grandparent, F1 - Mom and F2 - you
Explanation:
According to Gregor Mendel the P generation is the starting generation and in this case it the the Mom's grandparent, F1 filial generation is the offspring of the the grandparent which the Mom and the he or she is the F2 generation or second generation from the grandparent.
Answer:Alfred Wegener
Explanation:He searched the scientific literature for geological and paleontological.
D all of these create a magnetic field. let me know if you want me to explain.