Options: make the taste of food better, produce in small amounts the hydrochloric acid required for the digestion of food, ease the process of cooking, increase the solubility of food particles in water
Stripped of his heavyweight title in 1967 for refusing induction into the U.S. military, Muhammad Ali regained the heavyweight championship on October 30, 1974, in Kinshasa, Zaire with an eighth-round knockout of which prizefighter?
Options: George Foreman, Joe Frazier, Leon Spinks, Sputnik
Options: international agreement signed in 1947 between non-communist nations with the object of encouraging international trade unobstructed by tariff barriers, agreement which seeks to achieve its aim by arranging and encouraging bargaining with trade concessions between members, Both option A and B, None of the above
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