How did the astrolabe european explorers?
a. it enabled explorers to determine their position.
b. it allowed sailors to steer their ships better.
c. it was an instrument used to show a ship's speed.
d. it was an atlas containing detailed maps of all known lands.

The answer is given by the first choice: letter A. The astrolabe helped European explorers to determine their positions properly. An astrolabe is an instrument that is used to determine the latitude when in navigation. It was used by astrologers, navigators and astronomers during the earlier times. 

your answer will be b. improving roads, bridges, and other infrastructure. hope i !

answer by yourhope:

the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

: )