Answer:
Durante esta fase, el endometrio se prepara para soportar un embarazo o desintegrarse en la menstruación. El aumento en los niveles de progesterona hace que el endometrio deje de engrosarse, y se comience a preparar para la implantación potencial de un óvulo fertilizado
Explanation:
Archduke Franz Ferdinand of the Austria- Hungary empire was shot down, along with his wife by an assassins bullet when he was in Bosnia visiting Sarajevo.
The transcontinental railroad helped to increase the speed at which coast to coast communication was possible. The railroad allowed for materials, people, goods, and messages to be transported more quickly from coast to coast increasing the pace of communication.
ok i believe that the answers are 1,2 4
