Question

portuguese sailors relied on coastal landmarks to determine their location. but, there are no landmarks on the open ocean. what could sailors use instead to determine their location? select the two that apply. the color of the sky the shape of the clouds the position of the stars the position of the sun

Explanation:

On the open - ocean without land - based landmarks, sailors can use celestial bodies for navigation. The position of the sun during the day and the position of the stars at night can help determine direction and location. The color of the sky and the shape of the clouds are not reliable for determining location.

Answer:

C. the position of the stars
D. the position of the sun