Cho S là ngoại diên của khái niệm con người, p(x, y) = x yêu thương y. Viết các phán đoán sau đây dưới dạng công thức: Nhiều người yêu thương

The 2nd largest river in europe (that runs through 12 countries) is the river. question 13 options: rhine danube seine thames

In some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of a postzygotic barrier the founder effect sympatric speciation a prezygotic barrier

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?