Two hundred and twenty-five million years ago, all of today's continents were part of a single continent known as pangaea. the map below shows positions of some of these continents.
there is a significant amount of evidence that can be used to support the theory that
pangaea existed. give two reasons to explain how the map shows evidence for the
existence of pangaea?

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.