Question

which chinese invention revolutionized navigation and exploration by allowing sailors to determine direction even in cloudy weather? compass astrolabe sundial sextant

Explanation:

The compass is a Chinese invention that uses magnetic properties to show direction. Unlike astrolabes (used for celestial navigation, not Chinese), sundials (rely on sunlight, useless in clouds), and sextants (not Chinese, used for celestial angle measurement), the compass works in cloudy weather to determine direction, revolutionizing navigation.

Answer:

A. Compass