The group of plant fossils that provides important evidence for the existence of Gondwana is
___________________ _. Fill in the blank(s) with the appropriate word(s).
Question 2Wegener proposed that the continents were once all together as a supercontinent he named
___________________ _, which then split into a northern supercontinent called
___________________ _ and a southern supercontinent called ___________________ _. Fill in the blank(s) with the appropriate word(s).