Across
- 1. a natural process whereby geological features are modified
- 4. state or assert that something is the case
- 6. natural feature of the earth's surface
- 8. a three-dimensional representation of a person or thing or of a proposed structure
- 9. set of things working together as parts of a mechanism or an interconnecting network
Down
- 2. a length of water wider than a strait
- 3. people disagreeing about scientific explanations
- 5. the available body of facts or information indicating whether a belief or proposition is true or valid
- 7. form judgments by a process of logic