1. Why do you think the continents don't fit together perfectly? What processes have occurred since? 2. How do you think the movement of the continents since the time of Pangea is related to a theory called "seafloor spreading'? ​

Which of the following terms describes the layers of air surrounding the earth ?

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?

What are canada’s major boundaries?