1. Write a letter to your grandmother or grandfather with a one-paragraph summary of plate tectonics. (Plate tectonics was not an accepted theory until the 1960s, so people born much earlier than that...

1. Write a letter to your grandmother or grandfather with a one-paragraph summary of plate tectonics. (Plate tectonics was not an accepted theory until the 1960s, so people born much earlier than that missed out on this important theory in their education!)

2.. How would GPS technology have been helpful to Alfred Wegener?