Options: payment by government for purchase of goods and services, payment made by business enterprises to factors of production, payment made by companies to shareholders, payment made by the government to business enterprises, without buying any goods and services
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: the densities of the liquid in the two vessels are equal, the level of the liquid in the two vessels are at the same height, both its limbs are of unequal length, the temperature of the liquids in the two vessels are the same
The hydrological cycle is a conceptual model that describes
Options: the storage of water between biosphere, hydrosphere, atmosphere and lithosphere, the movement of water between biosphere, atmosphere, lithosphere and hydrosphere, both (a) and (b), None of the above