Martha's job involves asking shoppers in the mall about their experience with specific products. She works from a list given to her by the product's producers. Martha is using the method to gather data. A. observational / secondary B. questioning / primary C. observational / primary D. questioning / secondary

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