Inventions When was the first elevator built? 1743 1739 1760 1785 1743 1739 1760 1785 ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Leslie R. Groves Vannevar Bush James B. Conant Robert Oppenheimer Leslie R. Groves Vannevar Bush James B. Conant Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? England Philippines United States France England Philippines United States France ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1895 1840 1874 1900 1895 1840 1874 1900 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1810s 1870s 1840s 1890s 1810s 1870s 1840s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bicycle? Leo H Baekeland Kirkpatrick Macmillan Evangelista Torricelli Karl Benz Leo H Baekeland Kirkpatrick Macmillan Evangelista Torricelli Karl Benz ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS