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?
Options: Robert Oppenheimer, James B. Conant, Leslie R. Groves, Vannevar Bush
Options: It was a charter of Rights granted to the Englishmen during 1215 AD by King John II, It was a charter guaranteeing the freedom of the barons, the church and the common man, It is the foundation stone of the rights and liberties of the English people, All of the above
what is trik to remember the national park and animal husbandary
Ans:see in details,
It is more difficult to walk on a sandy road than on a concrete road because
Options: sand is soft and concreter is hard, the friction between sand and feet is less than that between concrete and feet, the friction between sand and feet is more than that between concrete and feet, the sand is grainy but concrete is smooth