With what do we know about the isthmus across the bering strait, why are most people of north america thought of as having european ancestry rather that native american? 1. due to intermarriages between the populations.2. due to native americans leaving for warmer climates.3. due to europeans overpowering native populations.4. due to native populations settled only near the bering strait.

At which point on the diagram do convection currents occur to drive plate movement?

Why is immigration so important today?

Use your vocabulary words to complete the sentences below. australia and new zealand are in nature meaning they are located between temperate and tropical climates. oceania, on the other hand, has a tropical climate with numerous island chains, many of which are home to , which are islands made from coral. this entire region rests on the edges of plates, and therefore they are prone to earthquakes, volcanoes, and tsunamis. since most of the islands were formed from volcanoes, rock can be found everywhere.