What are four ways that polynesians were probably able to navigate the pacific?

1) The presence of seabirds would indicate the location and distance of land masses.

2) It is known ancient sailors were able to navigate by the use of stars. 

3) Early mariners may have known that ocean currents vary during different times of the year. 

4) By the direction of the sun and moon.

i honesty don't know, good luck tho dawg

the tallest building in the western hemisphere and the sixth tallest building in the world