díganme del 1 al 4 cuál fue primero la era musulmana la caída del imperio romano occidente las cruzadas o la caída del imperio romano bizancio? por favor​

Which of the following lakes is not found in africa?

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?