The ocean floor spreading showed that it is possible for landmasses to move.
Often, waterfalls form as streams flow from soft rock to hard rock. This happens both laterally (as a stream flows across the earth) and vertically (as the stream drops in a waterfall). In both cases, the soft rock erodes, leaving a hard ledge over which the stream falls
B. themes, geography has 5 themes, region, environmental, location, and two others
Tropical climates and rainforests are found near the equator
