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What is histamine? A medication used to treat allergic reactions A substance released by the body in response to injury initiating an immune response A type of poisonous spider A biting insect
answered Jan 31, 2018
2 votes
186k views
Which event is the climax of Narrative of the Life of Frederick Douglass? A: Douglass escapes to freedom in the North and changes his name. B: Douglass marries Anna, a free black woman. C: Douglass begins
answered Mar 5, 2017
2 votes
73.9k views
Fe2O3+2Al ~2Fe+Al2O3
answered Feb 17, 2017
3 votes
230k views
Brad is testing three solutions with litmus paper. After dipping the litmus paper strips in the solutions, he observes two papers turning blue and one turning red. Out of the three solutions, how many
answered Jan 25, 2017
5 votes
84.4k views
Which statement explains why nuclear waste materials may pose aproblem?(1) They frequently have short half-lives and remain radioactive for brief periods of time.(2) They frequently have short half-lives
answered Apr 29, 2016
5 votes
113k views
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