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Ostriches, emus, cassowaries, rheas, and kiwis can't fly. Unlike most birds, their flat breastbones lack the keel that anchors the strong pectoral muscles required for flight. Their puny wings can't possibly lift their heavy bodies off the ground.why can't kiwi ??Fidel Castro is a Cuban communist politician who became the leader of Cuba in 1959, the first Communist state in the Western hemisphere.Fidel Castro led the overthrow of the Batista dictatorship in 1959.Fidel Castro helped lead the Cuban Revolution.Fidel Castro brought social reforms to Cuba but was criticized for oppressing human rights.During Fidel Castro’s time, Cuba had a resentful relationship with the United States which resulted in the infamous Bay of Pigs invasion and the Cuban Missile Crisis.In 2008, Fidel Castro stood down as President and passed on the reigns to his younger brother Raúl Castro, having ruled Cuba for nearly five decades.
Fidel Castro is considered to be one of the most extraordinary political figures of the 20th century. He is a Communist icon who has ruled Cuba for half a century and who turned it from a colonial paradise to a player on the world stage.
A dictator who is only 90 miles from US shore but who has outlived 9 U.S. Presidents and survived 638 assassination attempts by the CIA. other organisms to convert light energy into chemical energy that can later be
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The blastocoel probably serves two major functions in frog embryos: (1) it permits cell migration during gastrulation, and (2) it prevents the cells beneath it from interacting prematurely with the cells above it.