Answer:
B. Their predators have been killed by the Cretaceous-Paleogene extinction
Explanation:
The mammals and the avian dinosaurs were small creatures, living in the shadows of the dinosaurs which dominated the world, but also were stopping the further increase in size and development of these animals. At the end of the Cretaceous though, an asteroid struck the Earth. The impact was so hard and devastating that it managed to destroy the dinosaurs and wipe them out of the face of the Earth, with the only dinosaurs remaining being the small avian species. Since lots of niches opened up and where free for taking in the ecosystem, the mammals and the avian dinosaurs quickly started to evolve, diversify, and become much larger. The mammals seem to won the race for dominance as they have become the most dominant species on the planet.
Answer: Guateque Campesino
Explanation: Every culture in this world has some particular events and modes of celebrations. People of Cuba in general and Cuban people living at countryside in particular celebrates this event together with friends and family mainly to celebrate the end of the harvest. Multiple music instruments are used to compose their specific music genre for this celebration.
Answer:
the tigris and Euphrates river flow through Syria and Iraq into the Persian Gulf.
Answer:
El río que separa el macizo de Brasilia y el macizo Patagónico se llama río Colorado.
Explanation:
El macizo de Brasilia comprende el actual Brasil y el macizo Patagónico, buena parte de la actual Argentina. El macizo de Brasilia cubre buena parte del centro, todo el este, noreste, centro-norte, centro-sur y sureste de América del Sur, mientras que el macizo cubre todo el sur de Argentina. El río que separa ambos macizos se llama el río Colorado, el cual atraviesa las provincias de Mendoza, Neuquén, Río Negro, La Pampa y Buenos Aires antes de desembocar en el Océano Atlántico.
