Which of the following situations is an example of how poll taxes are an obstacle to voting rights?

Ineed ideas for how to have fun with my friends i feel like they dont like me

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

Calculate the iq of a 20 year old who has the mental age of 25