2) who was penicillin discovered by in 1928 - f
3) what did Alfred Nobel discover in 1866 - a
4) what did Michael Faraday develop in 1821 - g
5) when was the magnifying glass developed? -d
6) who was the first motor car made by? -b
7)what was made in the 1920s by john logie Baird? -e