Answer: 1920- Hair Dryer
1920- First radio station
1920- The Thompson Sub-Machine Gun
1920- The Band Aid
1921- First robot built
1923- Traffic Signal
1925- Mechanical Television
1926- Liquid Fueled Rockets
1928- Penicillin
1929- Car radio
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Explanation:
You should look it up on google!
i meen, hello pplz? ever tried that before this website?
So they can discuss about the issues that are going on in there community and actually bring up some ideas... Even voting, like we have the right to speak up so we might as well do it. Our government doesn't run itself. We contribute to it.