What might cause scientists to change a scientific theory?
a.
some people disagree with it
b.
it covers too broad a topic
c.
new evidence contradicts it
d.
it is too old

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