The invention of the and by the arabs and chinese made european exploration possible. a. astrolabe, compass c. rudder, sail b. telescope, compass d. astrolabe, sail

The invention of the astrolabe and compass by the Arabs and Chinese made European exploration possible. While the astrolabe was used to find out latitude, the compass was used to determine directions. The Astrolabe, which is a measuring tool, was first used for astronomy and astrology, but it was later used by sailors during their expeditions. The compass which had a magnetized needle supporting a magnetic card used to show from four to eight directions, helped explorers reach their destination.

The invention of the astrolabe and compass by the Arabs and Chinese made European exploration possible.

Explanation:

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they both built pyramids.