A waterclock was first found in
-
Egypt
-
Greece
-
Babylon
-
Sumer
A
Correct answer
Explanation
The earliest known waterclock was found in Egypt, dating back to approximately 1500 BCE. Option A is correct. Ancient Egyptians used water clocks (clepsydra) to measure time. Greece and Babylon developed water clocks later, and Sumer is not the earliest known location.