Consider the following eight phrases: 1. careful inventory and mapping to determine dangers 2. weathering of minerals to produce clay 3. controlled blasting of unstable slopes 4. controlled water drainage 5. retaining walls along highway embankments 6. spraying shotcrete on road cuts 7. removing support at the toe of the slope 8. adding weight at the top of the slope which of these are factors that lead to mass movement?

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change