Inventions Who developed the idea of Crop Rotation? Cabbage Carlson Potato Peterson Swede Svenson Turnip Townsend Cabbage Carlson Potato Peterson Swede Svenson Turnip Townsend ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1739 1743 1760 1785 1739 1743 1760 1785 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1940s 1950s 1980s 1960s 1940s 1950s 1980s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Marie Curie Albert Einstein Benjamin Franklin Isaac Newton Marie Curie Albert Einstein Benjamin Franklin Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Hooke Edward Jenner Robert Koch Louis Pasteur Robert Hooke Edward Jenner Robert Koch Louis Pasteur ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1890s 1880s 1900s 1800s 1890s 1880s 1900s 1800s ANSWER DOWNLOAD EXAMIANS APP
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