technologies
witch technology is used to see north south east and west
compass
what ocean did Columbus sail on
ocean blue
what shows you where the equator is.
astrolabe
where did most early explorers come from.
eurupe
what one is still used today.
gunpowder
what one is used to make letters.
print press
what is used to find longitude.
chronometer
how many voyages did Columbus take.
four