The movement of the tectonic plates changes the number of continents on earth. this change would be seen over

The movement of the tectonic plates changes the number of continents on Earth. This change would be seen over millions of years. 

Select the word from the list that best fits the definitionstates the the universe is expanding

In paragraph 47, it says “moments like these make a pioneering flight anything but dull” i’d say he’s optimistic and determined? ? and in 48, it describes how i’m assuming people he looks up to walked the same path so maybe he’s honored to be on the journey ? sorry if i’m wrong.