Plate Tectonics and earthquakes Alfred Wegener Proposed hypothesis in 1915 Continental drift hypothesis Supercontinent Pangaea began breaking apart about 200 million years…
Warm Up 12-5-14 1. What are the four minerals that compose salt water? 2. What are the three reasons the ocean is salty? 3. What percentage of a drop of water contains sea…
Ocean Zones Ocean Zones/Floor Chapter 5 Exploring the Ocean People have studied the ocean since ancient times, because the ocean provides food and serves as a route for trade…