... important part of the passage On the TOEFL iBT, some words in the passage that are unusual, technical, or have special meanings in the context of the topic are defined for you If you click on the word ... material, the artist must take into account the physical properties of the material In the passage, the author uses the example of the bronze statues of horses to discuss how artists had to include ... available to all They contained sulfuric acid 41 TOEFL iBT Reading Explanation In the first sentence from the excerpt the author says that “new discoveries and inventions” made “lighting available to...