The idea that the sun is the center of the universe is the theory.

a) geocentric

b) solar

c) scientific

d) heliocentric

Select the word from the list that best fits the definition a city-state in ethiopia

Which of the following is one way the goverment of russia is considered more limited than the goverment of the soviet union

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