Answer:
JJ Thomson
Explanation:
JJ Thomson is a great scientist who carried out experiment leading to the discovering of the electron in 1897. He also developed the Plum Pudding Model which happens to be an early model of atom and the atomic theory.
It states that, an atom can be described as a positively charged sphere ball in which the a negatively charged electrons is scattered inside it.
The person who come up with schools was a Frenchman named Charlemagne
Answer:
Duck and Cover was a famous Federal government film used to prepare students for a nuclear war
Explanation: