Across
- 3. gigantic pieces of the Earth's crust and uppermost mantle.
- 4. obtainable and available information that is able to support a claim and prove whether it is valid or not
- 6. a carefully thought out explanation with answers to support it.
- 7. coming closer together
Down
- 1. the period that is needed to do an activity
- 2. expanses of land
- 5. further apart