HELP HELP HELP What invention did Muslim scholars advance using their knowledge of astronomy?

algebra
cartography
the water clock
the camera obscura

The answer is the water clock :)

Explanation:

The person above me is also right so give them a 5-star and a thanks also

a historian who compares the expansion of political systems to the expansion of economic systems to the expansion of economic systems is organizing history by theme.

hope this : d

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

hope this : )