Florida’s habitats are threatened by pollution and development, so <span>more than one hundred species of animals are endangered.</span>
Answer: The Manhattan Project was the code name for the American-led effort to develop a functional atomic weapon during World War II.
Explanation: The Manhattan Project was the American program for researching and developing the first atomic bombs. The weapons produced were based solely upon the principles of nuclear fission of uranium 235 and plutonium 239, chain reactions liberating immense amounts of destructive heat energy.
B. Grant refused Lee’s sword upon surrender.
It was "Igor Stravinsky" who <span>became an American citizen in 1940, due mostly to the fact that many Europeans were seeking refuge in the US during this time due to war in Europe. </span>
