Proof with the expression that the surface of Earth is round​

The earliest documented mention of the spherical Earth concept dates from around the 5th century BC, when it was mentioned by ancient Greek philosophers.[1][2] In the 3rd century BC, Hellenistic astronomy established the roughly spherical shape of the Earth as a physical fact and calculated the Earth's circumference. This knowledge was gradually adopted throughout the Old World during Late Antiquity and the Middle Ages.[3][4][5][6] A practical demonstration of Earth's sphericity was achieved by Ferdinand Magellan and Juan Sebastián Elcano's circumnavigation (1519–1522).[7]

hope it helps you

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current and voltage can both be different in different parts of a circuit so it matters where you place the ammeter and voltmete

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okay, ima .

um it shows links to uh so kinda microsoft website is that were ima go or no? ?