Convert words typed in capital letters after the numbers 1 - 7 so that they conform to the content of the text grammatically. Fill in the blanks derived words.  Everybody knows that Christopher Columbus discovered America. Ho...

Convert words typed in capital letters after the numbers 1 - 7 so that they conform to the content of the text grammatically. Fill in the blanks derived words.   Everybody knows that Christopher Columbus discovered America. However, America 1________________ after Amerigo Vespucci who explored the eastern coast of South America.   NAME Was he really the first to reach the continent? The great Norwegian explorer Thor Heyerdal 2________________ it wasn’t true.   THINK He believed that ancient people were able to build boats that 3________________ cross oceans.   CAN To test his ideas, Heyerdal decided to build a copy of the reed boats, which 4________________ in ancient Egyptian paintings and sail across the Atlantic.   PICTURE On May 25, 1969 the boat called Ra left a port in Morocco and headed across the 5________________ part of the Atlantic.   WIDE Before reaching Barbados, Ra 6________________ but all the members of the expedition survived and wanted to try again. BREAK So, on May 17, 1970 Ra II successfully crossed the Atlantic, 7________________ that ancient civilizations had enough skill to reach America long before Columbus.   PROVE