Mark the following statements T (true) or F (false 1 In 1928, Alexander Fleming developed antibiotics.2 Vostok 1 completed one orbit around the Earth in 1957.3 The Russian cosmonaut Yuri Gagarin was the first person to orbit Earth. 4 They call Nikola Tesla 'the man who lit up the world'.5 The Rosetta Stone' was discovered by Egyptian soldiers in 1799.6 Thanks to the 'Rosetta Stone' experts were able to work out the meaning of hieroglyphics. (ов) ​