Материалы по тегу «five major mass extinctions of animals»
The history of Earth comprises five major mass extinctions of animals. What reasons provoked them, and how did life on the planet develop afterwards? Is it true we are now witnessing the sixth mass extinction? How do global glaciations relate to the increase in Earth’s biodiversity?
What saints did the conquistadors pray to and why did they decide to conquer Mexico? What was the ethnic, regional, and age composition of the Conquista?