Which of the following happened first? a. Peasant Crusaders attacked Jews in Germany. b. Saladin successfully defended Jerusalem against King Richard I. c. Crusaders attacked Constantinople. d. Pope Urban II called on Christians to fight the Muslim Turks. Please select the best answer from the choices provided I WILL MARK BRAINLIEST! *＊✿❀ ❀✿＊**＊✿❀ ❀✿＊**＊✿❀ ❀✿＊**＊✿❀ ❀✿＊* <3 be quick pwease

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

In a publicly held corporation, - o stockholders rarely trade their stocks o stocks are not usually traded at stock exchanges o a large number of stockholders can buy and sell stock o family members are excluded from holding stock

The principal effector function of igm is