Peg and Susan are discussing migration. Peg says that migration is associated with seasonal changes and that animals usually migrate in large groups. Susan says that migration occurs when animals travel from one physical area to another and that it's voluntary. Who is correct?
AOnly Peg
BBoth Peg and Susan
CNeither Peg nor Susan
DOnly Susan
AOnly Peg
BBoth Peg and Susan
CNeither Peg nor Susan
DOnly Susan