What evidence do we have of how the Earth has changed throughout its history?

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Across
  1. 3. The movement of the continents
  2. 4. these form in cold places and were found in India and South America.
  3. 5. a hypothetical supercontinent that included all current land masses, believed to have been in existence before the continents broke apart during the Triassic and Jurassic Periods.
Down
  1. 1. the same kind of these were found on separate continents, they could not move across the continents and still exist today
  2. 2. an underwater mountain range that is formed by plate tectonics
  3. 3. these form in hot swampy places and were first formed in Antarctica.